402257955 has 32 divisors (see below), whose sum is σ = 712032768. Its totient is φ = 192281600.

The previous prime is 402257899. The next prime is 402257983. The reversal of 402257955 is 559752204.

402257955 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 402257955 - 2⁷ = 402257827 is a prime.

It is a super-2 number, since 2×402257955² = 323622924721564050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5454 + ... + 28883.

It is an arithmetic number, because the mean of its divisors is an integer number (22251024).

Almost surely, 2^402257955 is an apocalyptic number.

402257955 is a deficient number, since it is larger than the sum of its proper divisors (309774813).

402257955 is a wasteful number, since it uses less digits than its factorization.

402257955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34427.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 402257955 is about 20056.3694371638. The cubic root of 402257955 is about 738.1900954186.

The spelling of 402257955 in words is "four hundred two million, two hundred fifty-seven thousand, nine hundred fifty-five".