44138976 has 96 divisors (see below), whose sum is σ = 139426560. Its totient is φ = 11943936.

The previous prime is 44138923. The next prime is 44138989. The reversal of 44138976 is 67983144.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 11040 + ... + 14496.

It is an arithmetic number, because the mean of its divisors is an integer number (1452360).

Almost surely, 2^44138976 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 44138976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69713280).

44138976 is an abundant number, since it is smaller than the sum of its proper divisors (95287584).

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

44138976 is a wasteful number, since it uses less digits than its factorization.

44138976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3496 (or 3488 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 44138976 is about 6643.7170319031. The cubic root of 44138976 is about 353.4061350719.

The spelling of 44138976 in words is "forty-four million, one hundred thirty-eight thousand, nine hundred seventy-six".