402464165 has 16 divisors (see below), whose sum is σ = 499806720. Its totient is φ = 310791360.

The previous prime is 402464147. The next prime is 402464177. The reversal of 402464165 is 561464204.

It is not a de Polignac number, because 402464165 - 2¹⁴ = 402447781 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61847 + ... + 68043.

It is an arithmetic number, because the mean of its divisors is an integer number (31237920).

Almost surely, 2^402464165 is an apocalyptic number.

It is an amenable number.

402464165 is a deficient number, since it is larger than the sum of its proper divisors (97342555).

402464165 is a wasteful number, since it uses less digits than its factorization.

402464165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6652.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 402464165 is about 20061.5095394140. The cubic root of 402464165 is about 738.3162136418.

The spelling of 402464165 in words is "four hundred two million, four hundred sixty-four thousand, one hundred sixty-five".