402551155204 has 24 divisors (see below), whose sum is σ = 768523392000. Its totient is φ = 182973835680.

The previous prime is 402551155177. The next prime is 402551155241.

402551155204 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 402551155204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3163197 + ... + 3287995.

It is an arithmetic number, because the mean of its divisors is an integer number (32021808000).

Almost surely, 2^402551155204 is an apocalyptic number.

402551155204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

402551155204 is a deficient number, since it is larger than the sum of its proper divisors (365972236796).

402551155204 is a wasteful number, since it uses less digits than its factorization.

402551155204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198123 (or 198121 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

It can be divided in two parts, 402551 and 155204, that added together give a palindrome (557755).

The spelling of 402551155204 in words is "four hundred two billion, five hundred fifty-one million, one hundred fifty-five thousand, two hundred four".