725269452688 has 160 divisors (see below), whose sum is σ = 1630902936960. Its totient is φ = 309363425280.

The previous prime is 725269452673. The next prime is 725269452757. The reversal of 725269452688 is 886254962527.

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, 28932256 + ... + 28957312.

It is an arithmetic number, because the mean of its divisors is an integer number (10193143356).

Almost surely, 2^725269452688 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 725269452688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (815451468480).

725269452688 is an abundant number, since it is smaller than the sum of its proper divisors (905633484272).

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

725269452688 is a wasteful number, since it uses less digits than its factorization.

725269452688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25265 (or 25259 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 64.

The spelling of 725269452688 in words is "seven hundred twenty-five billion, two hundred sixty-nine million, four hundred fifty-two thousand, six hundred eighty-eight".