172401928412 has 48 divisors (see below), whose sum is σ = 348168522240. Its totient is φ = 73166328000.

The previous prime is 172401928409. The next prime is 172401928427. The reversal of 172401928412 is 214829104271.

It is a self number, because there is not a number n which added to its sum of digits gives 172401928412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5572787 + ... + 5603637.

It is an arithmetic number, because the mean of its divisors is an integer number (7253510880).

Almost surely, 2^172401928412 is an apocalyptic number.

It is an amenable number.

172401928412 is an abundant number, since it is smaller than the sum of its proper divisors (175766593828).

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

172401928412 is a wasteful number, since it uses less digits than its factorization.

172401928412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32802 (or 32800 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 172401928412 in words is "one hundred seventy-two billion, four hundred one million, nine hundred twenty-eight thousand, four hundred twelve".