44390736 has 120 divisors (see below), whose sum is σ = 139741056. Its totient is φ = 13052160.

The previous prime is 44390719. The next prime is 44390743. The reversal of 44390736 is 63709344.

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

It is a self number, because there is not a number n which added to its sum of digits gives 44390736.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42541 + ... + 43571.

Almost surely, 2^44390736 is an apocalyptic number.

44390736 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44390736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69870528).

44390736 is an abundant number, since it is smaller than the sum of its proper divisors (95350320).

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

44390736 is a wasteful number, since it uses less digits than its factorization.

44390736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 44390736 is about 6662.6373156581. The cubic root of 44390736 is about 354.0767812003.

The spelling of 44390736 in words is "forty-four million, three hundred ninety thousand, seven hundred thirty-six".