44002872 has 64 divisors (see below), whose sum is σ = 123501600. Its totient is φ = 14515200.

The previous prime is 44002859. The next prime is 44002873. The reversal of 44002872 is 27820044.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44002873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20808 + ... + 22824.

Almost surely, 2^44002872 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 44002872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61750800).

44002872 is an abundant number, since it is smaller than the sum of its proper divisors (79498728).

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

44002872 is a wasteful number, since it uses less digits than its factorization.

44002872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133 (or 2123 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 44002872 is about 6633.4660623237. The cubic root of 44002872 is about 353.0425145476.

The spelling of 44002872 in words is "forty-four million, two thousand, eight hundred seventy-two".