172604064280 has 16 divisors (see below), whose sum is σ = 388359144720. Its totient is φ = 69041625696.

The previous prime is 172604064263. The next prime is 172604064299. The reversal of 172604064280 is 82460406271.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 4315101607 = 172604064280 / (1 + 7 + 2 + 6 + 0 + 4 + 0 + 6 + 4 + 2 + 8 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2157550764 + ... + 2157550843.

It is an arithmetic number, because the mean of its divisors is an integer number (24272446545).

Almost surely, 2^172604064280 is an apocalyptic number.

172604064280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172604064280 is an abundant number, since it is smaller than the sum of its proper divisors (215755080440).

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

172604064280 is a wasteful number, since it uses less digits than its factorization.

172604064280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4315101618 (or 4315101614 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 172604064280 in words is "one hundred seventy-two billion, six hundred four million, sixty-four thousand, two hundred eighty".