44109972 has 36 divisors (see below), whose sum is σ = 112047936. Its totient is φ = 14631120.

The previous prime is 44109911. The next prime is 44109977. The reversal of 44109972 is 27990144.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44109977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4693 + ... + 10499.

Almost surely, 2^44109972 is an apocalyptic number.

It is an amenable number.

44109972 is an abundant number, since it is smaller than the sum of its proper divisors (67937964).

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

44109972 is a wasteful number, since it uses less digits than its factorization.

44109972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6028 (or 6023 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 44109972 is about 6641.5338589817. The cubic root of 44109972 is about 353.3287096424.

The spelling of 44109972 in words is "forty-four million, one hundred nine thousand, nine hundred seventy-two".