44720016625 has 8 divisors (see below), whose sum is σ = 55810580904. Its totient is φ = 35776013200.

The previous prime is 44720016617. The next prime is 44720016659. The reversal of 44720016625 is 52661002744.

It can be written as a sum of positive squares in 4 ways, for example, as 1236506896 + 43483509729 = 35164^2 + 208527^2 .

It is not a de Polignac number, because 44720016625 - 2³ = 44720016617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178879942 + ... + 178880191.

It is an arithmetic number, because the mean of its divisors is an integer number (6976322613).

Almost surely, 2^44720016625 is an apocalyptic number.

It is an amenable number.

44720016625 is a deficient number, since it is larger than the sum of its proper divisors (11090564279).

44720016625 is an equidigital number, since it uses as much as digits as its factorization.

44720016625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357760148 (or 357760138 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 44720016625 in words is "forty-four billion, seven hundred twenty million, sixteen thousand, six hundred twenty-five".