372172154652220 has 24 divisors (see below), whose sum is σ = 841681642060224. Its totient is φ = 137417410948416.

The previous prime is 372172154652163. The next prime is 372172154652227. The reversal of 372172154652220 is 22256451271273.

It is a super-2 number, since 2×372172154652220² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372172154652227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715715681764 + ... + 715715682283.

It is an arithmetic number, because the mean of its divisors is an integer number (35070068419176).

Almost surely, 2^{372172154652220} is an apocalyptic number.

It is an amenable number.

372172154652220 is an abundant number, since it is smaller than the sum of its proper divisors (469509487408004).

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

372172154652220 is a wasteful number, since it uses less digits than its factorization.

372172154652220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431431364069 (or 1431431364067 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 372172154652220 in words is "three hundred seventy-two trillion, one hundred seventy-two billion, one hundred fifty-four million, six hundred fifty-two thousand, two hundred twenty".