725039449842 has 64 divisors (see below), whose sum is σ = 1491096305664. Its totient is φ = 234958268160.

The previous prime is 725039449829. The next prime is 725039449847. The reversal of 725039449842 is 248944930527.

It is a happy number.

725039449842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (725039449847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9714138 + ... + 9788490.

It is an arithmetic number, because the mean of its divisors is an integer number (23298379776).

Almost surely, 2^725039449842 is an apocalyptic number.

725039449842 is an abundant number, since it is smaller than the sum of its proper divisors (766056855822).

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

725039449842 is a wasteful number, since it uses less digits than its factorization.

725039449842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74743.

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 725039449842 in words is "seven hundred twenty-five billion, thirty-nine million, four hundred forty-nine thousand, eight hundred forty-two".