172253711344 has 80 divisors (see below), whose sum is σ = 402685164000. Its totient is φ = 70320890880.

The previous prime is 172253711339. The next prime is 172253711347. The reversal of 172253711344 is 443117352271.

It is a junction number, because it is equal to n+sod(n) for n = 172253711297 and 172253711306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172253711347) 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, 932719 + ... + 1102030.

It is an arithmetic number, because the mean of its divisors is an integer number (5033564550).

Almost surely, 2^172253711344 is an apocalyptic number.

It is an amenable number.

172253711344 is an abundant number, since it is smaller than the sum of its proper divisors (230431452656).

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

172253711344 is a wasteful number, since it uses less digits than its factorization.

172253711344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034818 (or 2034812 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The spelling of 172253711344 in words is "one hundred seventy-two billion, two hundred fifty-three million, seven hundred eleven thousand, three hundred forty-four".