400100876560 has 160 divisors (see below), whose sum is σ = 1227995188992. Its totient is φ = 117371043840.

The previous prime is 400100876557. The next prime is 400100876561. The reversal of 400100876560 is 65678001004.

It is a super-2 number, since 2×400100876560² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (400100876561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1805617 + ... + 2015056.

Almost surely, 2^400100876560 is an apocalyptic number.

400100876560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400100876560 is an abundant number, since it is smaller than the sum of its proper divisors (827894312432).

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

400100876560 is a wasteful number, since it uses less digits than its factorization.

400100876560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820721 (or 3820715 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

Adding to 400100876560 its reverse (65678001004), we get a palindrome (465778877564).

The spelling of 400100876560 in words is "four hundred billion, one hundred million, eight hundred seventy-six thousand, five hundred sixty".