44559029921 has 16 divisors (see below), whose sum is σ = 53149152000. Its totient is φ = 36525696768.

The previous prime is 44559029897. The next prime is 44559029927. The reversal of 44559029921 is 12992095544.

It is a cyclic number.

It is not a de Polignac number, because 44559029921 - 2⁶ = 44559029857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44559029921.

It is not an unprimeable number, because it can be changed into a prime (44559029927) 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, 891605 + ... + 940253.

It is an arithmetic number, because the mean of its divisors is an integer number (3321822000).

Almost surely, 2^44559029921 is an apocalyptic number.

It is an amenable number.

44559029921 is a deficient number, since it is larger than the sum of its proper divisors (8590122079).

44559029921 is a wasteful number, since it uses less digits than its factorization.

44559029921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54368.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 44559029921 in words is "forty-four billion, five hundred fifty-nine million, twenty-nine thousand, nine hundred twenty-one".