402818555555 has 64 divisors (see below), whose sum is σ = 553236203520. Its totient is φ = 279541172736.

The previous prime is 402818555453. The next prime is 402818555563. The reversal of 402818555555 is 555555818204.

It is a cyclic number.

It is not a de Polignac number, because 402818555555 - 2⁸ = 402818555299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402818555497 and 402818555506.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7724549 + ... + 7776521.

It is an arithmetic number, because the mean of its divisors is an integer number (8644315680).

Almost surely, 2^402818555555 is an apocalyptic number.

402818555555 is a deficient number, since it is larger than the sum of its proper divisors (150417647965).

402818555555 is a wasteful number, since it uses less digits than its factorization.

402818555555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52140.

The product of its (nonzero) digits is 8000000, while the sum is 53.

The spelling of 402818555555 in words is "four hundred two billion, eight hundred eighteen million, five hundred fifty-five thousand, five hundred fifty-five".