44643768 has 128 divisors (see below), whose sum is σ = 134265600. Its totient is φ = 12220416.

The previous prime is 44643763. The next prime is 44643773. The reversal of 44643768 is 86734644.

44643768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (44643763) and next prime (44643773).

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 (44643763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100555 + ... + 100997.

It is an arithmetic number, because the mean of its divisors is an integer number (1048950).

Almost surely, 2^44643768 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 44643768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67132800).

44643768 is an abundant number, since it is smaller than the sum of its proper divisors (89621832).

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

44643768 is a wasteful number, since it uses less digits than its factorization.

44643768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 497 counting only the distinct ones).

The product of its digits is 387072, while the sum is 42.

The square root of 44643768 is about 6681.5992097701. The cubic root of 44643768 is about 354.7482656264.

The spelling of 44643768 in words is "forty-four million, six hundred forty-three thousand, seven hundred sixty-eight".