402365992 has 32 divisors (see below), whose sum is σ = 862917120. Its totient is φ = 172301760.

The previous prime is 402365987. The next prime is 402366001. The reversal of 402365992 is 299563204.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

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, 95433 + ... + 99559.

It is an arithmetic number, because the mean of its divisors is an integer number (26966160).

Almost surely, 2^402365992 is an apocalyptic number.

It is an amenable number.

402365992 is an abundant number, since it is smaller than the sum of its proper divisors (460551128).

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

402365992 is a wasteful number, since it uses less digits than its factorization.

402365992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881 (or 5877 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 402365992 is about 20059.0625902608. The cubic root of 402365992 is about 738.2561763198.

The spelling of 402365992 in words is "four hundred two million, three hundred sixty-five thousand, nine hundred ninety-two".