402351995 has 16 divisors (see below), whose sum is σ = 505576512. Its totient is φ = 306810240.

The previous prime is 402351967. The next prime is 402352019. The reversal of 402351995 is 599153204.

It is not a de Polignac number, because 402351995 - 2²⁴ = 385574779 is a prime.

It is a Duffinian 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, 27725 + ... + 39665.

It is an arithmetic number, because the mean of its divisors is an integer number (31598532).

Almost surely, 2^402351995 is an apocalyptic number.

402351995 is a deficient number, since it is larger than the sum of its proper divisors (103224517).

402351995 is a wasteful number, since it uses less digits than its factorization.

402351995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12262.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 402351995 is about 20058.7136925577. The cubic root of 402351995 is about 738.2476157127.

The spelling of 402351995 in words is "four hundred two million, three hundred fifty-one thousand, nine hundred ninety-five".