44253864 has 80 divisors (see below), whose sum is σ = 128008320. Its totient is φ = 14268960.

The previous prime is 44253799. The next prime is 44253871. The reversal of 44253864 is 46835244.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18987 + ... + 21189.

It is an arithmetic number, because the mean of its divisors is an integer number (1600104).

Almost surely, 2^44253864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44253864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64004160).

44253864 is an abundant number, since it is smaller than the sum of its proper divisors (83754456).

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

44253864 is a wasteful number, since it uses less digits than its factorization.

44253864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252 (or 2239 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 44253864 is about 6652.3577775102. The cubic root of 44253864 is about 353.7124927874.

The spelling of 44253864 in words is "forty-four million, two hundred fifty-three thousand, eight hundred sixty-four".