44557122772 has 24 divisors (see below), whose sum is σ = 80001594792. Its totient is φ = 21701222400.

The previous prime is 44557122767. The next prime is 44557122793. The reversal of 44557122772 is 27722175544.

It can be written as a sum of positive squares in 4 ways, for example, as 13385101636 + 31172021136 = 115694^2 + 176556^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106803 + ... + 317050.

It is an arithmetic number, because the mean of its divisors is an integer number (3333399783).

Almost surely, 2^44557122772 is an apocalyptic number.

It is an amenable number.

44557122772 is a deficient number, since it is larger than the sum of its proper divisors (35444472020).

44557122772 is a wasteful number, since it uses less digits than its factorization.

44557122772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424539 (or 424537 counting only the distinct ones).

The product of its digits is 1097600, while the sum is 46.

The spelling of 44557122772 in words is "forty-four billion, five hundred fifty-seven million, one hundred twenty-two thousand, seven hundred seventy-two".