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404220245200 = 245210333129641
BaseRepresentation
bin1011110000111010110…
…01110111010011010000
31102122100210201001001121
411320131121313103100
523110320340321300
6505410214412024
741126645251612
oct5703531672320
91378323631047
10404220245200
11146479877052
1266410661014
132c16ba84c55
14157c8888db2
15a7ac17681a
hex5e1d6774d0

404220245200 has 120 divisors (see below), whose sum is σ = 983563295936. Its totient is φ = 159629184000.

The previous prime is 404220245159. The next prime is 404220245213. The reversal of 404220245200 is 2542022404.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13622380 + ... + 13652020.

Almost surely, 2404220245200 is an apocalyptic number.

404220245200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404220245200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491781647968).

404220245200 is an abundant number, since it is smaller than the sum of its proper divisors (579343050736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404220245200 is a wasteful number, since it uses less digits than its factorization.

404220245200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30093 (or 30082 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 404220245200 its reverse (2542022404), we get a palindrome (406762267604).

The spelling of 404220245200 in words is "four hundred four billion, two hundred twenty million, two hundred forty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 103 200 206 331 400 412 515 662 824 1030 1324 1648 1655 2060 2575 2648 3310 4120 5150 5296 6620 8240 8275 10300 13240 16550 20600 26480 29641 33100 34093 41200 59282 66200 68186 118564 132400 136372 148205 170465 237128 272744 296410 340930 474256 545488 592820 681860 741025 852325 1185640 1363720 1482050 1704650 2371280 2727440 2964100 3053023 3409300 5928200 6106046 6818600 9811171 11856400 12212092 13637200 15265115 19622342 24424184 30530230 39244684 48848368 49055855 61060460 76325575 78489368 98111710 122120920 152651150 156978736 196223420 244241840 245279275 305302300 392446840 490558550 610604600 784893680 981117100 1010550613 1221209200 1962234200 2021101226 3924468400 4042202452 5052753065 8084404904 10105506130 16168809808 20211012260 25263765325 40422024520 50527530650 80844049040 101055061300 202110122600 404220245200