44921918740 has 24 divisors (see below), whose sum is σ = 95395988520. Its totient is φ = 17766870528.

The previous prime is 44921918711. The next prime is 44921918761. The reversal of 44921918740 is 4781912944.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8020277136 + 36901641604 = 89556^2 + 192098^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12616737 + ... + 12620296.

It is an arithmetic number, because the mean of its divisors is an integer number (3974832855).

Almost surely, 2^44921918740 is an apocalyptic number.

It is an amenable number.

44921918740 is an abundant number, since it is smaller than the sum of its proper divisors (50474069780).

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

44921918740 is a wasteful number, since it uses less digits than its factorization.

44921918740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25237131 (or 25237129 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 44921918740 in words is "forty-four billion, nine hundred twenty-one million, nine hundred eighteen thousand, seven hundred forty".