402824915655 has 16 divisors (see below), whose sum is σ = 644548061664. Its totient is φ = 214830556160.

The previous prime is 402824915629. The next prime is 402824915683. The reversal of 402824915655 is 556519428204.

It is not a de Polignac number, because 402824915655 - 2²⁶ = 402757806791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402824915598 and 402824915607.

It is a congruent number.

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, 225954 + ... + 925583.

It is an arithmetic number, because the mean of its divisors is an integer number (40284253854).

Almost surely, 2^402824915655 is an apocalyptic number.

402824915655 is a deficient number, since it is larger than the sum of its proper divisors (241723146009).

402824915655 is a wasteful number, since it uses less digits than its factorization.

402824915655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174866.

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 402824915655 in words is "four hundred two billion, eight hundred twenty-four million, nine hundred fifteen thousand, six hundred fifty-five".