380636605680 has 80 divisors (see below), whose sum is σ = 1180098245664. Its totient is φ = 101492362240.

The previous prime is 380636605637. The next prime is 380636605709. The reversal of 380636605680 is 86506636083.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2335822 + ... + 2493458.

Almost surely, 2^380636605680 is an apocalyptic number.

380636605680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

380636605680 is an abundant number, since it is smaller than the sum of its proper divisors (799461639984).

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

380636605680 is a wasteful number, since it uses less digits than its factorization.

380636605680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167714 (or 167708 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 380636605680 in words is "three hundred eighty billion, six hundred thirty-six million, six hundred five thousand, six hundred eighty".