380840818752 has 42 divisors (see below), whose sum is σ = 1091611445678. Its totient is φ = 126946939392.

The previous prime is 380840818697. The next prime is 380840818769. The reversal of 380840818752 is 257818048083.

380840818752 is a `hidden beast` number, since 3 + 8 + 0 + 8 + 408 + 187 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 331886601216 + 48954217536 = 576096^2 + 221256^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 330590413 + ... + 330591564.

Almost surely, 2^380840818752 is an apocalyptic number.

380840818752 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

380840818752 is an abundant number, since it is smaller than the sum of its proper divisors (710770626926).

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

380840818752 is a wasteful number, since it uses less digits than its factorization.

380840818752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661181995 (or 661181982 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The spelling of 380840818752 in words is "three hundred eighty billion, eight hundred forty million, eight hundred eighteen thousand, seven hundred fifty-two".