44405712 has 80 divisors (see below), whose sum is σ = 137282880. Its totient is φ = 13661568.

The previous prime is 44405707. The next prime is 44405731. The reversal of 44405712 is 21750444.

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

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, 1663 + ... + 9569.

It is an arithmetic number, because the mean of its divisors is an integer number (1716036).

Almost surely, 2^44405712 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 44405712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68641440).

44405712 is an abundant number, since it is smaller than the sum of its proper divisors (92877168).

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

44405712 is a wasteful number, since it uses less digits than its factorization.

44405712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7937 (or 7925 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 44405712 is about 6663.7611001596. The cubic root of 44405712 is about 354.1165947451.

The spelling of 44405712 in words is "forty-four million, four hundred five thousand, seven hundred twelve".