402694432 has 48 divisors (see below), whose sum is σ = 908010432. Its totient is φ = 172212480.

The previous prime is 402694427. The next prime is 402694451. The reversal of 402694432 is 234496204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119523 + ... + 122845.

It is an arithmetic number, because the mean of its divisors is an integer number (18916884).

Almost surely, 2^402694432 is an apocalyptic number.

It is an amenable number.

402694432 is an abundant number, since it is smaller than the sum of its proper divisors (505316000).

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

402694432 is a wasteful number, since it uses less digits than its factorization.

402694432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881 (or 3873 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 402694432 is about 20067.2477435248. The cubic root of 402694432 is about 738.4569942473.

The spelling of 402694432 in words is "four hundred two million, six hundred ninety-four thousand, four hundred thirty-two".