380444366818 has 32 divisors (see below), whose sum is σ = 588963529728. Its totient is φ = 184194816000.

The previous prime is 380444366807. The next prime is 380444366857. The reversal of 380444366818 is 818663444083.

It is a happy 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, 15056271 + ... + 15081517.

It is an arithmetic number, because the mean of its divisors is an integer number (18405110304).

Almost surely, 2^380444366818 is an apocalyptic number.

380444366818 is a deficient number, since it is larger than the sum of its proper divisors (208519162910).

380444366818 is a wasteful number, since it uses less digits than its factorization.

380444366818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26658.

The product of its (nonzero) digits is 10616832, while the sum is 55.

The spelling of 380444366818 in words is "three hundred eighty billion, four hundred forty-four million, three hundred sixty-six thousand, eight hundred eighteen".