402433556 has 12 divisors (see below), whose sum is σ = 804867168. Its totient is φ = 172471512.

The previous prime is 402433543. The next prime is 402433561. The reversal of 402433556 is 655334204.

402433556 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7186286 + ... + 7186341.

It is an arithmetic number, because the mean of its divisors is an integer number (67072264).

Almost surely, 2^402433556 is an apocalyptic number.

It is an amenable number.

402433556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

402433556 is a wasteful number, since it uses less digits than its factorization.

402433556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14372638 (or 14372636 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 402433556 is about 20060.7466461246. The cubic root of 402433556 is about 738.2974958727.

The spelling of 402433556 in words is "four hundred two million, four hundred thirty-three thousand, five hundred fifty-six".