402430992 has 40 divisors (see below), whose sum is σ = 1040350080. Its totient is φ = 134048640.

The previous prime is 402430979. The next prime is 402430997. The reversal of 402430992 is 299034204.

It is not an unprimeable number, because it can be changed into a prime (402430997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109017 + ... + 112647.

It is an arithmetic number, because the mean of its divisors is an integer number (26008752).

Almost surely, 2^402430992 is an apocalyptic number.

It is an amenable number.

402430992 is an abundant number, since it is smaller than the sum of its proper divisors (637919088).

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

402430992 is a wasteful number, since it uses less digits than its factorization.

402430992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5951 (or 5945 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 402430992 is about 20060.6827401263. The cubic root of 402430992 is about 738.2959279130.

The spelling of 402430992 in words is "four hundred two million, four hundred thirty thousand, nine hundred ninety-two".