725587884042 has 96 divisors (see below), whose sum is σ = 1704029944320. Its totient is φ = 201761818080.

The previous prime is 725587884023. The next prime is 725587884053. The reversal of 725587884042 is 240488785527.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16585417 + ... + 16629107.

It is an arithmetic number, because the mean of its divisors is an integer number (17750311920).

Almost surely, 2^725587884042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 725587884042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852014972160).

725587884042 is an abundant number, since it is smaller than the sum of its proper divisors (978442060278).

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

725587884042 is a wasteful number, since it uses less digits than its factorization.

725587884042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43976 (or 43929 counting only the distinct ones).

The product of its (nonzero) digits is 40140800, while the sum is 60.

The spelling of 725587884042 in words is "seven hundred twenty-five billion, five hundred eighty-seven million, eight hundred eighty-four thousand, forty-two".