44644516 has 48 divisors (see below), whose sum is σ = 95945472. Its totient is φ = 17740800.

The previous prime is 44644511. The next prime is 44644529. The reversal of 44644516 is 61544644.

It is a Smith number, since the sum of its digits (34) 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 (34).

It is not an unprimeable number, because it can be changed into a prime (44644511) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33136 + ... + 34456.

It is an arithmetic number, because the mean of its divisors is an integer number (1998864).

Almost surely, 2^44644516 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 44644516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47972736).

44644516 is an abundant number, since it is smaller than the sum of its proper divisors (51300956).

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

44644516 is a wasteful number, since it uses less digits than its factorization.

44644516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420 (or 1418 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 44644516 is about 6681.6551841591. The cubic root of 44644516 is about 354.7502468676.

The spelling of 44644516 in words is "forty-four million, six hundred forty-four thousand, five hundred sixteen".