402685612 has 48 divisors (see below), whose sum is σ = 816076800. Its totient is φ = 170304192.

The previous prime is 402685571. The next prime is 402685627. The reversal of 402685612 is 216586204.

It is a super-2 number, since 2×402685612² = 324311404223629088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1097053 + ... + 1097419.

It is an arithmetic number, because the mean of its divisors is an integer number (17001600).

Almost surely, 2^402685612 is an apocalyptic number.

It is an amenable number.

402685612 is an abundant number, since it is smaller than the sum of its proper divisors (413391188).

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

402685612 is a wasteful number, since it uses less digits than its factorization.

402685612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 402685612 is about 20067.0279812433. The cubic root of 402685612 is about 738.4516028656.

The spelling of 402685612 in words is "four hundred two million, six hundred eighty-five thousand, six hundred twelve".