44113920 has 112 divisors (see below), whose sum is σ = 141549120. Its totient is φ = 11730944.

The previous prime is 44113913. The next prime is 44113987. The reversal of 44113920 is 2931144.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122701 + ... + 123059.

Almost surely, 2^44113920 is an apocalyptic number.

44113920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44113920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70774560).

44113920 is an abundant number, since it is smaller than the sum of its proper divisors (97435200).

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

44113920 is an equidigital number, since it uses as much as digits as its factorization.

44113920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 44113920 is about 6641.8310728292. The cubic root of 44113920 is about 353.3392507217.

The spelling of 44113920 in words is "forty-four million, one hundred thirteen thousand, nine hundred twenty".