44388672 has 56 divisors (see below), whose sum is σ = 119091456. Its totient is φ = 14588928.

The previous prime is 44388671. The next prime is 44388713. The reversal of 44388672 is 27688344.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44388671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12433 + ... + 15599.

Almost surely, 2^44388672 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 44388672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59545728).

44388672 is an abundant number, since it is smaller than the sum of its proper divisors (74702784).

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

44388672 is a wasteful number, since it uses less digits than its factorization.

44388672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255 (or 3245 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 44388672 is about 6662.4824202395. The cubic root of 44388672 is about 354.0712933750.

The spelling of 44388672 in words is "forty-four million, three hundred eighty-eight thousand, six hundred seventy-two".