44546664544 has 24 divisors (see below), whose sum is σ = 92860143768. Its totient is φ = 20963136000.

The previous prime is 44546664541. The next prime is 44546664571.

44546664544 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 44546664491 and 44546664500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44546664541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40943082 + ... + 40944169.

It is an arithmetic number, because the mean of its divisors is an integer number (3869172657).

Almost surely, 2^44546664544 is an apocalyptic number.

It is an amenable number.

44546664544 is an abundant number, since it is smaller than the sum of its proper divisors (48313479224).

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

44546664544 is a wasteful number, since it uses less digits than its factorization.

44546664544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81887278 (or 81887270 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 52.

The spelling of 44546664544 in words is "forty-four billion, five hundred forty-six million, six hundred sixty-four thousand, five hundred forty-four".