44639145425 has 24 divisors (see below), whose sum is σ = 63851288256. Its totient is φ = 30323615040.

The previous prime is 44639145401. The next prime is 44639145443. The reversal of 44639145425 is 52454193644.

44639145425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44639145425 - 2⁸ = 44639145169 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44639145425.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1173242 + ... + 1210691.

It is an arithmetic number, because the mean of its divisors is an integer number (2660470344).

Almost surely, 2^44639145425 is an apocalyptic number.

It is an amenable number.

44639145425 is a deficient number, since it is larger than the sum of its proper divisors (19212142831).

44639145425 is a wasteful number, since it uses less digits than its factorization.

44639145425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384057 (or 2384052 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 47.

The spelling of 44639145425 in words is "forty-four billion, six hundred thirty-nine million, one hundred forty-five thousand, four hundred twenty-five".