456438402 has 40 divisors (see below), whose sum is σ = 1168871616. Its totient is φ = 130410648.

The previous prime is 456438391. The next prime is 456438403. The reversal of 456438402 is 204834654.

456438402 is a `hidden beast` number, since 4 + 5 + 643 + 8 + 4 + 0 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (456438403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 200118 + ... + 202385.

Almost surely, 2^456438402 is an apocalyptic number.

456438402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

456438402 is an abundant number, since it is smaller than the sum of its proper divisors (712433214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

456438402 is a wasteful number, since it uses less digits than its factorization.

456438402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402524 (or 402515 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 456438402 is about 21364.4190653526. The cubic root of 456438402 is about 769.9468125403.

It can be divided in two parts, 45643 and 8402, that added together give a palindrome (54045).

The spelling of 456438402 in words is "four hundred fifty-six million, four hundred thirty-eight thousand, four hundred two".