725492197044 has 192 divisors, whose sum is σ = 1937679744000. Its totient is φ = 234654952320.

The previous prime is 725492197043. The next prime is 725492197061. The reversal of 725492197044 is 440791294527.

725492197044 is a `hidden beast` number, since 7 + 2 + 549 + 2 + 1 + 97 + 0 + 4 + 4 = 666.

725492197044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725492197043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 196555239 + ... + 196558929.

It is an arithmetic number, because the mean of its divisors is an integer number (10092082000).

Almost surely, 2^725492197044 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 725492197044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (968839872000).

725492197044 is an abundant number, since it is smaller than the sum of its proper divisors (1212187546956).

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

725492197044 is a wasteful number, since it uses less digits than its factorization.

725492197044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155 (or 4147 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 725492197044 in words is "seven hundred twenty-five billion, four hundred ninety-two million, one hundred ninety-seven thousand, forty-four".