380400638586 has 16 divisors (see below), whose sum is σ = 760807879200. Its totient is φ = 126799112528.

The previous prime is 380400638539. The next prime is 380400638591. The reversal of 380400638586 is 685836004083.

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, 792925 + ... + 1178783.

It is an arithmetic number, because the mean of its divisors is an integer number (47550492450).

Almost surely, 2^380400638586 is an apocalyptic number.

380400638586 is an abundant number, since it is smaller than the sum of its proper divisors (380407240614).

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

380400638586 is a wasteful number, since it uses less digits than its factorization.

380400638586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550173.

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 380400638586 in words is "three hundred eighty billion, four hundred million, six hundred thirty-eight thousand, five hundred eighty-six".