44864091 has 16 divisors (see below), whose sum is σ = 68263200. Its totient is φ = 29100384.

The previous prime is 44864087. The next prime is 44864101. The reversal of 44864091 is 19046844.

It is a happy number.

44864091 is a `hidden beast` number, since 4 + 4 + 8 + 640 + 9 + 1 = 666.

44864091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44864091 - 2² = 44864087 is a prime.

It is a super-2 number, since 2×44864091² = 4025573322512562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44864011) 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 15 ways as a sum of consecutive naturals, for example, 21456 + ... + 23453.

It is an arithmetic number, because the mean of its divisors is an integer number (4266450).

Almost surely, 2^44864091 is an apocalyptic number.

44864091 is a deficient number, since it is larger than the sum of its proper divisors (23399109).

44864091 is a wasteful number, since it uses less digits than its factorization.

44864091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44955 (or 44949 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 44864091 is about 6698.0662134679. The cubic root of 44864091 is about 355.3308850422.

The spelling of 44864091 in words is "forty-four million, eight hundred sixty-four thousand, ninety-one".