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404111030240 = 2556194080281
BaseRepresentation
bin1011110000101101110…
…01001111011111100000
31102122002012012100022002
411320112321033133200
523110104410431430
6505351313503132
741124151036631
oct5702671173740
91378065170262
10404111030240
11146423161255
126639bb71aa8
132c152266008
14157b8179888
15a7a27a1845
hex5e16e4f7e0

404111030240 has 48 divisors (see below), whose sum is σ = 956254889520. Its totient is φ = 161383234560.

The previous prime is 404111030237. The next prime is 404111030243. The reversal of 404111030240 is 42030111404.

It is an interprime number because it is at equal distance from previous prime (404111030237) and next prime (404111030243).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404111030243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1941101 + ... + 2139180.

It is an arithmetic number, because the mean of its divisors is an integer number (19921976865).

Almost surely, 2404111030240 is an apocalyptic number.

404111030240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404111030240 is an abundant number, since it is smaller than the sum of its proper divisors (552143859280).

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

404111030240 is a wasteful number, since it uses less digits than its factorization.

404111030240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080915 (or 4080907 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 404111030240 its reverse (42030111404), we get a palindrome (446141141644).

The spelling of 404111030240 in words is "four hundred four billion, one hundred eleven million, thirty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 619 1238 2476 3095 4952 6190 9904 12380 19808 24760 49520 99040 4080281 8160562 16321124 20401405 32642248 40802810 65284496 81605620 130568992 163211240 326422480 652844960 2525693939 5051387878 10102775756 12628469695 20205551512 25256939390 40411103024 50513878780 80822206048 101027757560 202055515120 404111030240