402435456 has 32 divisors (see below), whose sum is σ = 1068970200. Its totient is φ = 134145024.

The previous prime is 402435403. The next prime is 402435457. The reversal of 402435456 is 654534204.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402435457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523621 + ... + 524388.

Almost surely, 2^402435456 is an apocalyptic number.

It is an amenable number.

402435456 is an abundant number, since it is smaller than the sum of its proper divisors (666534744).

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

402435456 is a wasteful number, since it uses less digits than its factorization.

402435456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048026 (or 1048014 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 402435456 is about 20060.7940022323. The cubic root of 402435456 is about 738.2986577730.

The spelling of 402435456 in words is "four hundred two million, four hundred thirty-five thousand, four hundred fifty-six".