725157969140 has 48 divisors (see below), whose sum is σ = 1662132273984. Its totient is φ = 263557094400.

The previous prime is 725157969139. The next prime is 725157969169. The reversal of 725157969140 is 41969751527.

It is a happy number.

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, 428669 + ... + 1278308.

It is an arithmetic number, because the mean of its divisors is an integer number (34627755708).

Almost surely, 2^725157969140 is an apocalyptic number.

It is an amenable number.

725157969140 is an abundant number, since it is smaller than the sum of its proper divisors (936974304844).

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

725157969140 is a wasteful number, since it uses less digits than its factorization.

725157969140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708928 (or 1708926 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 56.

The spelling of 725157969140 in words is "seven hundred twenty-five billion, one hundred fifty-seven million, nine hundred sixty-nine thousand, one hundred forty".