725959836040 has 64 divisors (see below), whose sum is σ = 1639003863600. Its totient is φ = 289389907968.

The previous prime is 725959836001. The next prime is 725959836047. The reversal of 725959836040 is 40638959527.

It can be written as a sum of positive squares in 8 ways, for example, as 95850921604 + 630108914436 = 309598^2 + 793794^2 .

It is a super-3 number, since 3×725959836040³ (a number of 37 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (725959836047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78826956 + ... + 78836164.

Almost surely, 2^725959836040 is an apocalyptic number.

It is an amenable number.

725959836040 is an abundant number, since it is smaller than the sum of its proper divisors (913044027560).

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

725959836040 is a wasteful number, since it uses less digits than its factorization.

725959836040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15754 (or 15750 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 725959836040 in words is "seven hundred twenty-five billion, nine hundred fifty-nine million, eight hundred thirty-six thousand, forty".