44868564 has 36 divisors (see below), whose sum is σ = 122143476. Its totient is φ = 13805568.

The previous prime is 44868553. The next prime is 44868569. The reversal of 44868564 is 46586844.

44868564 is a `hidden beast` number, since 4 + 4 + 86 + 8 + 564 = 666.

44868564 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 2 ways, for example, as 16160400 + 28708164 = 4020^2 + 5358^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44868569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47469 + ... + 48404.

Almost surely, 2^44868564 is an apocalyptic number.

It is an amenable number.

44868564 is an abundant number, since it is smaller than the sum of its proper divisors (77274912).

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

44868564 is a wasteful number, since it uses less digits than its factorization.

44868564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95896 (or 95891 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The square root of 44868564 is about 6698.4001074884. The cubic root of 44868564 is about 355.3426936119.

The spelling of 44868564 in words is "forty-four million, eight hundred sixty-eight thousand, five hundred sixty-four".