380401056816 has 40 divisors (see below), whose sum is σ = 1072039343424. Its totient is φ = 115273047360.

The previous prime is 380401056793. The next prime is 380401056821. The reversal of 380401056816 is 618650104083.

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, 360227746 + ... + 360228801.

Almost surely, 2^380401056816 is an apocalyptic number.

It is an amenable number.

380401056816 is an abundant number, since it is smaller than the sum of its proper divisors (691638286608).

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

380401056816 is a wasteful number, since it uses less digits than its factorization.

380401056816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720456569 (or 720456563 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 380401056816 in words is "three hundred eighty billion, four hundred one million, fifty-six thousand, eight hundred sixteen".