365581390972 has 48 divisors (see below), whose sum is σ = 749082882240. Its totient is φ = 152838604800.

The previous prime is 365581390927. The next prime is 365581390973. The reversal of 365581390972 is 279093185563.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (365581390973) 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, 15740104 + ... + 15763312.

It is an arithmetic number, because the mean of its divisors is an integer number (15605893380).

Almost surely, 2^365581390972 is an apocalyptic number.

It is an amenable number.

365581390972 is an abundant number, since it is smaller than the sum of its proper divisors (383501491268).

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

365581390972 is a wasteful number, since it uses less digits than its factorization.

365581390972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36982 (or 36980 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 58.

The spelling of 365581390972 in words is "three hundred sixty-five billion, five hundred eighty-one million, three hundred ninety thousand, nine hundred seventy-two".