725422432344 has 128 divisors (see below), whose sum is σ = 1883572224000. Its totient is φ = 232570673280.

The previous prime is 725422432331. The next prime is 725422432351. The reversal of 725422432344 is 443234224527.

It is a junction number, because it is equal to n+sod(n) for n = 725422432296 and 725422432305.

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, 166264707 + ... + 166269069.

It is an arithmetic number, because the mean of its divisors is an integer number (14715408000).

Almost surely, 2^725422432344 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 725422432344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941786112000).

725422432344 is an abundant number, since it is smaller than the sum of its proper divisors (1158149791656).

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

725422432344 is a wasteful number, since it uses less digits than its factorization.

725422432344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5725 (or 5721 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 42.

The spelling of 725422432344 in words is "seven hundred twenty-five billion, four hundred twenty-two million, four hundred thirty-two thousand, three hundred forty-four".