380144586856 has 32 divisors (see below), whose sum is σ = 717155267400. Its totient is φ = 188906204160.

The previous prime is 380144586691. The next prime is 380144586883. The reversal of 380144586856 is 658685441083.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 290126585956 + 90018000900 = 538634^2 + 300030^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 380144586856.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819940 + ... + 1196908.

Almost surely, 2^380144586856 is an apocalyptic number.

It is an amenable number.

380144586856 is a deficient number, since it is larger than the sum of its proper divisors (337010680544).

380144586856 is a wasteful number, since it uses less digits than its factorization.

380144586856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377749 (or 377745 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 58.

The spelling of 380144586856 in words is "three hundred eighty billion, one hundred forty-four million, five hundred eighty-six thousand, eight hundred fifty-six".