44009120 has 48 divisors (see below), whose sum is σ = 108501120. Its totient is φ = 16836864.

The previous prime is 44009117. The next prime is 44009159. The reversal of 44009120 is 2190044.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 44009092 and 44009101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2300 + ... + 9659.

It is an arithmetic number, because the mean of its divisors is an integer number (2260440).

Almost surely, 2^44009120 is an apocalyptic number.

44009120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44009120 is an abundant number, since it is smaller than the sum of its proper divisors (64492000).

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

44009120 is a wasteful number, since it uses less digits than its factorization.

44009120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11997 (or 11989 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 44009120 is about 6633.9369909579. The cubic root of 44009120 is about 353.0592233452.

Adding to 44009120 its reverse (2190044), we get a palindrome (46199164).

The spelling of 44009120 in words is "forty-four million, nine thousand, one hundred twenty".