44121264 has 40 divisors (see below), whose sum is σ = 124343232. Its totient is φ = 13369920.

The previous prime is 44121247. The next prime is 44121271. The reversal of 44121264 is 46212144.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41254 + ... + 42309.

Almost surely, 2^44121264 is an apocalyptic number.

44121264 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

44121264 is an abundant number, since it is smaller than the sum of its proper divisors (80221968).

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

44121264 is a wasteful number, since it uses less digits than its factorization.

44121264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83585 (or 83579 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 44121264 is about 6642.3839094108. The cubic root of 44121264 is about 353.3588573785.

The spelling of 44121264 in words is "forty-four million, one hundred twenty-one thousand, two hundred sixty-four".