402064292 has 12 divisors (see below), whose sum is σ = 804128640. Its totient is φ = 172313256.

The previous prime is 402064277. The next prime is 402064349. The reversal of 402064292 is 292460204.

402064292 is an admirable number.

It is a super-2 number, since 2×402064292² = 323311389802922528, which contains 22 as substring.

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, 7179692 + ... + 7179747.

It is an arithmetic number, because the mean of its divisors is an integer number (67010720).

Almost surely, 2^402064292 is an apocalyptic number.

It is an amenable number.

402064292 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.

402064292 is a wasteful number, since it uses less digits than its factorization.

402064292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14359450 (or 14359448 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 402064292 is about 20051.5408884205. The cubic root of 402064292 is about 738.0716116985.

The spelling of 402064292 in words is "four hundred two million, sixty-four thousand, two hundred ninety-two".