44947613540 has 24 divisors (see below), whose sum is σ = 96170933880. Its totient is φ = 17639817728.

The previous prime is 44947613519. The next prime is 44947613551. The reversal of 44947613540 is 4531674944.

44947613540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13341174016 + 31606439524 = 115504^2 + 177782^2 .

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, 21200645 + ... + 21202764.

It is an arithmetic number, because the mean of its divisors is an integer number (4007122245).

Almost surely, 2^44947613540 is an apocalyptic number.

It is an amenable number.

44947613540 is an abundant number, since it is smaller than the sum of its proper divisors (51223320340).

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

44947613540 is a wasteful number, since it uses less digits than its factorization.

44947613540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42403471 (or 42403469 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 44947613540 in words is "forty-four billion, nine hundred forty-seven million, six hundred thirteen thousand, five hundred forty".