172453477026 has 48 divisors (see below), whose sum is σ = 382319095104. Its totient is φ = 51750733056.

The previous prime is 172453476967. The next prime is 172453477039. The reversal of 172453477026 is 620774354271.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2122165 + ... + 2201928.

It is an arithmetic number, because the mean of its divisors is an integer number (7964981148).

Almost surely, 2^172453477026 is an apocalyptic number.

172453477026 is an abundant number, since it is smaller than the sum of its proper divisors (209865618078).

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

172453477026 is a wasteful number, since it uses less digits than its factorization.

172453477026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324155 (or 4324138 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 48.

The spelling of 172453477026 in words is "one hundred seventy-two billion, four hundred fifty-three million, four hundred seventy-seven thousand, twenty-six".