380401073766 has 64 divisors (see below), whose sum is σ = 967772866560. Its totient is φ = 108497594880.

The previous prime is 380401073743. The next prime is 380401073777. The reversal of 380401073766 is 667370104083.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 653950 + ... + 1090161.

It is an arithmetic number, because the mean of its divisors is an integer number (15121451040).

Almost surely, 2^380401073766 is an apocalyptic number.

380401073766 is an abundant number, since it is smaller than the sum of its proper divisors (587371792794).

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

380401073766 is a wasteful number, since it uses less digits than its factorization.

380401073766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744706 (or 1744700 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 380401073766 in words is "three hundred eighty billion, four hundred one million, seventy-three thousand, seven hundred sixty-six".