2501396044 has 48 divisors (see below), whose sum is σ = 5207328000. Its totient is φ = 1028655936.

The previous prime is 2501395987. The next prime is 2501396047. The reversal of 2501396044 is 4406931052.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2501396047) 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, 122907 + ... + 141805.

It is an arithmetic number, because the mean of its divisors is an integer number (108486000).

Almost surely, 2^2501396044 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 2501396044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2603664000).

2501396044 is an abundant number, since it is smaller than the sum of its proper divisors (2705931956).

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

2501396044 is a wasteful number, since it uses less digits than its factorization.

2501396044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19102 (or 19100 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 2501396044 is about 50013.9584916051. The cubic root of 2501396044 is about 1357.4613910495.

The spelling of 2501396044 in words is "two billion, five hundred one million, three hundred ninety-six thousand, forty-four".