725772938940 has 240 divisors, whose sum is σ = 2755091731392. Its totient is φ = 156132624384.

The previous prime is 725772938921. The next prime is 725772938971. The reversal of 725772938940 is 49839277527.

725772938940 is a `hidden beast` number, since 7 + 2 + 577 + 29 + 38 + 9 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1689607 + ... + 2075166.

Almost surely, 2^725772938940 is an apocalyptic number.

725772938940 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

725772938940 is an abundant number, since it is smaller than the sum of its proper divisors (2029318792452).

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

725772938940 is a wasteful number, since it uses less digits than its factorization.

725772938940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3764818 (or 3764807 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 63.

The spelling of 725772938940 in words is "seven hundred twenty-five billion, seven hundred seventy-two million, nine hundred thirty-eight thousand, nine hundred forty".