44545564516 has 18 divisors (see below), whose sum is σ = 79253660850. Its totient is φ = 21907647360.

The previous prime is 44545564513. The next prime is 44545564517. The reversal of 44545564516 is 61546554544.

It can be written as a sum of positive squares in 3 ways, for example, as 1383840000 + 43161724516 = 37200^2 + 207754^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 44545564516.

It is not an unprimeable number, because it can be changed into a prime (44545564513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1481541 + ... + 1511308.

Almost surely, 2^44545564516 is an apocalyptic number.

It is an amenable number.

44545564516 is a deficient number, since it is larger than the sum of its proper divisors (34708096334).

44545564516 is a wasteful number, since it uses less digits than its factorization.

44545564516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992975 (or 2992912 counting only the distinct ones).

The product of its digits is 5760000, while the sum is 49.

The spelling of 44545564516 in words is "forty-four billion, five hundred forty-five million, five hundred sixty-four thousand, five hundred sixteen".