172429382424 has 128 divisors (see below), whose sum is σ = 473992727040. Its totient is φ = 51949320192.

The previous prime is 172429382339. The next prime is 172429382443. The reversal of 172429382424 is 424283924271.

172429382424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3466272 + ... + 3515664.

It is an arithmetic number, because the mean of its divisors is an integer number (3703068180).

Almost surely, 2^172429382424 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 172429382424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236996363520).

172429382424 is an abundant number, since it is smaller than the sum of its proper divisors (301563344616).

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

172429382424 is a wasteful number, since it uses less digits than its factorization.

172429382424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49649 (or 49645 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 48.

The spelling of 172429382424 in words is "one hundred seventy-two billion, four hundred twenty-nine million, three hundred eighty-two thousand, four hundred twenty-four".