372880315621 has 48 divisors (see below), whose sum is σ = 446534472384. Its totient is φ = 309887424000.

The previous prime is 372880315607. The next prime is 372880315657. The reversal of 372880315621 is 126513088273.

It is not a de Polignac number, because 372880315621 - 2⁵ = 372880315589 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372880315121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15997986 + ... + 16021276.

It is an arithmetic number, because the mean of its divisors is an integer number (9302801508).

Almost surely, 2^372880315621 is an apocalyptic number.

It is an amenable number.

372880315621 is a deficient number, since it is larger than the sum of its proper divisors (73654156763).

372880315621 is a wasteful number, since it uses less digits than its factorization.

372880315621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23554 (or 23543 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 372880315621 in words is "three hundred seventy-two billion, eight hundred eighty million, three hundred fifteen thousand, six hundred twenty-one".