380765560 has 64 divisors (see below), whose sum is σ = 1010718720. Its totient is φ = 126334080.

The previous prime is 380765551. The next prime is 380765573. The reversal of 380765560 is 65567083.

It is a super-2 number, since 2×380765560² = 289964823364227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13254 + ... + 30613.

It is an arithmetic number, because the mean of its divisors is an integer number (15792480).

Almost surely, 2^380765560 is an apocalyptic number.

It is an amenable number.

380765560 is an abundant number, since it is smaller than the sum of its proper divisors (629953160).

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

380765560 is a wasteful number, since it uses less digits than its factorization.

380765560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43916 (or 43912 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 380765560 is about 19513.2150093212. The cubic root of 380765560 is about 724.8017277872.

The spelling of 380765560 in words is "three hundred eighty million, seven hundred sixty-five thousand, five hundred sixty".