402251332 has 24 divisors (see below), whose sum is σ = 805327040. Its totient is φ = 172216800.

The previous prime is 402251293. The next prime is 402251341. The reversal of 402251332 is 233152204.

It is a super-2 number, since 2×402251332² = 323612268191548448, which contains 22 as substring.

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, 22594 + ... + 36262.

Almost surely, 2^402251332 is an apocalyptic number.

It is an amenable number.

402251332 is an abundant number, since it is smaller than the sum of its proper divisors (403075708).

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

402251332 is a wasteful number, since it uses less digits than its factorization.

402251332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14731 (or 14729 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 402251332 is about 20056.2043268411. The cubic root of 402251332 is about 738.1860440714.

The spelling of 402251332 in words is "four hundred two million, two hundred fifty-one thousand, three hundred thirty-two".