2238173952372 has 54 divisors (see below), whose sum is σ = 6009983275478. Its totient is φ = 702172217088.

The previous prime is 2238173952359. The next prime is 2238173952397. The reversal of 2238173952372 is 2732593718322.

2238173952372 is a `hidden beast` number, since 2 + 2 + 3 + 8 + 17 + 39 + 523 + 72 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 307419238116 + 1930754714256 = 554454^2 + 1389516^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 107552743 + ... + 107573550.

Almost surely, 2^{2238173952372} is an apocalyptic number.

It is an amenable number.

2238173952372 is an abundant number, since it is smaller than the sum of its proper divisors (3771809323106).

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

2238173952372 is a wasteful number, since it uses less digits than its factorization.

2238173952372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215126337 (or 215126315 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The spelling of 2238173952372 in words is "two trillion, two hundred thirty-eight billion, one hundred seventy-three million, nine hundred fifty-two thousand, three hundred seventy-two".