380677665840 has 40 divisors (see below), whose sum is σ = 1180100764848. Its totient is φ = 101514044160.

The previous prime is 380677665817. The next prime is 380677665871. The reversal of 380677665840 is 48566776083.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (60).

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 7 ways as a sum of consecutive naturals, for example, 793078231 + ... + 793078710.

Almost surely, 2^380677665840 is an apocalyptic number.

380677665840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

380677665840 is an abundant number, since it is smaller than the sum of its proper divisors (799423099008).

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

380677665840 is a wasteful number, since it uses less digits than its factorization.

380677665840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586156957 (or 1586156951 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 380677665840 in words is "three hundred eighty billion, six hundred seventy-seven million, six hundred sixty-five thousand, eight hundred forty".