725516264590 has 128 divisors (see below), whose sum is σ = 1429094016000. Its totient is φ = 263606427648.

The previous prime is 725516264581. The next prime is 725516264617. The reversal of 725516264590 is 95462615527.

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 63 ways as a sum of consecutive naturals, for example, 1453940161 + ... + 1453940659.

It is an arithmetic number, because the mean of its divisors is an integer number (11164797000).

Almost surely, 2^725516264590 is an apocalyptic number.

725516264590 is a deficient number, since it is larger than the sum of its proper divisors (703577751410).

725516264590 is a wasteful number, since it uses less digits than its factorization.

725516264590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226.

The product of its (nonzero) digits is 4536000, while the sum is 52.

The spelling of 725516264590 in words is "seven hundred twenty-five billion, five hundred sixteen million, two hundred sixty-four thousand, five hundred ninety".