44240504436 has 18 divisors (see below), whose sum is σ = 111830164082. Its totient is φ = 14746834800.

The previous prime is 44240504327. The next prime is 44240504443. The reversal of 44240504436 is 63440504244.

It can be written as a sum of positive squares in only one way, i.e., 29549610000 + 14690894436 = 171900^2 + 121206^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1228902901 = 44240504436 / (4 + 4 + 2 + 4 + 0 + 5 + 0 + 4 + 4 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 44240504436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 614451415 + ... + 614451486.

Almost surely, 2^44240504436 is an apocalyptic number.

It is an amenable number.

44240504436 is an abundant number, since it is smaller than the sum of its proper divisors (67589659646).

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

44240504436 is a wasteful number, since it uses less digits than its factorization.

44240504436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228902911 (or 1228902906 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

The spelling of 44240504436 in words is "forty-four billion, two hundred forty million, five hundred four thousand, four hundred thirty-six".