44189904 has 80 divisors (see below), whose sum is σ = 125706240. Its totient is φ = 13265280.

The previous prime is 44189897. The next prime is 44189927. The reversal of 44189904 is 40998144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66727 + ... + 67385.

It is an arithmetic number, because the mean of its divisors is an integer number (1571328).

Almost surely, 2^44189904 is an apocalyptic number.

44189904 is a gapful number since it is divisible by the number (44) 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 44189904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62853120).

44189904 is an abundant number, since it is smaller than the sum of its proper divisors (81516336).

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

44189904 is a wasteful number, since it uses less digits than its factorization.

44189904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 44189904 is about 6647.5487211453. The cubic root of 44189904 is about 353.5420040288.

The spelling of 44189904 in words is "forty-four million, one hundred eighty-nine thousand, nine hundred four".