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244140024140 = 22543881322229
BaseRepresentation
bin1110001101011111100…
…0010010000101001100
3212100011112112020110022
43203113320102011030
512444444321233030
6304053440001312
723432005652015
oct3432770220514
9770145466408
10244140024140
11945a27516a1
123b396000238
131a03a00b45c
14bb6045200c
15653d63ede5
hex38d7e1214c

244140024140 has 48 divisors (see below), whose sum is σ = 525214277280. Its totient is φ = 95276375040.

The previous prime is 244140024137. The next prime is 244140024173. The reversal of 244140024140 is 41420041442.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596546 + ... + 918774.

It is an arithmetic number, because the mean of its divisors is an integer number (10941964110).

Almost surely, 2244140024140 is an apocalyptic number.

244140024140 is a gapful number since it is divisible by the number (20) 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 244140024140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262607138640).

244140024140 is an abundant number, since it is smaller than the sum of its proper divisors (281074253140).

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

244140024140 is a wasteful number, since it uses less digits than its factorization.

244140024140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323162 (or 323160 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 244140024140 its reverse (41420041442), we get a palindrome (285560065582).

The spelling of 244140024140 in words is "two hundred forty-four billion, one hundred forty million, twenty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 881 1762 3524 4405 8810 17620 37883 75766 151532 189415 322229 378830 644458 757660 1288916 1611145 3222290 6444580 13855847 27711694 55423388 69279235 138558470 277116940 283883749 567767498 1135534996 1419418745 2838837490 5677674980 12207001207 24414002414 48828004828 61035006035 122070012070 244140024140