44424064564 has 48 divisors (see below), whose sum is σ = 88659841536. Its totient is φ = 19279260000.

The previous prime is 44424064547. The next prime is 44424064639. The reversal of 44424064564 is 46546042444.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 44424064564.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513439 + ... + 593689.

It is an arithmetic number, because the mean of its divisors is an integer number (1847080032).

Almost surely, 2^44424064564 is an apocalyptic number.

44424064564 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

44424064564 is a deficient number, since it is larger than the sum of its proper divisors (44235776972).

44424064564 is a wasteful number, since it uses less digits than its factorization.

44424064564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80836 (or 80834 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 43.

The spelling of 44424064564 in words is "forty-four billion, four hundred twenty-four million, sixty-four thousand, five hundred sixty-four".