172429486432 has 96 divisors (see below), whose sum is σ = 408516756480. Its totient is φ = 69986488320.

The previous prime is 172429486423. The next prime is 172429486447. The reversal of 172429486432 is 234684924271.

It is a self number, because there is not a number n which added to its sum of digits gives 172429486432.

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, 21986832 + ... + 21994672.

It is an arithmetic number, because the mean of its divisors is an integer number (4255382880).

Almost surely, 2^172429486432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172429486432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204258378240).

172429486432 is an abundant number, since it is smaller than the sum of its proper divisors (236087270048).

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

172429486432 is a wasteful number, since it uses less digits than its factorization.

172429486432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13044 (or 13036 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 52.

The spelling of 172429486432 in words is "one hundred seventy-two billion, four hundred twenty-nine million, four hundred eighty-six thousand, four hundred thirty-two".