380440392 has 32 divisors (see below), whose sum is σ = 951734880. Its totient is φ = 126728960.

The previous prime is 380440381. The next prime is 380440409. The reversal of 380440392 is 293044083.

It is a super-2 number, since 2×380440392² = 289469783730227328, 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, 39088 + ... + 47840.

It is an arithmetic number, because the mean of its divisors is an integer number (29741715).

Almost surely, 2^380440392 is an apocalyptic number.

It is an amenable number.

380440392 is an abundant number, since it is smaller than the sum of its proper divisors (571294488).

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

380440392 is a wasteful number, since it uses less digits than its factorization.

380440392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10573 (or 10569 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 380440392 is about 19504.8812352190. The cubic root of 380440392 is about 724.5953458079.

The spelling of 380440392 in words is "three hundred eighty million, four hundred forty thousand, three hundred ninety-two".