380748611581 has 16 divisors (see below), whose sum is σ = 413457992640. Its totient is φ = 348531730560.

The previous prime is 380748611561. The next prime is 380748611591. The reversal of 380748611581 is 185116847083.

It is not a de Polignac number, because 380748611581 - 2⁵ = 380748611549 is a prime.

It is a super-2 number, since 2×380748611581² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380748611531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2362390 + ... + 2518408.

It is an arithmetic number, because the mean of its divisors is an integer number (25841124540).

Almost surely, 2^380748611581 is an apocalyptic number.

It is an amenable number.

380748611581 is a deficient number, since it is larger than the sum of its proper divisors (32709381059).

380748611581 is a wasteful number, since it uses less digits than its factorization.

380748611581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157596.

The product of its (nonzero) digits is 1290240, while the sum is 52.

The spelling of 380748611581 in words is "three hundred eighty billion, seven hundred forty-eight million, six hundred eleven thousand, five hundred eighty-one".