44635668 has 144 divisors (see below), whose sum is σ = 135442944. Its totient is φ = 11309760.

The previous prime is 44635667. The next prime is 44635673. The reversal of 44635668 is 86653644.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44635667) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 433305 + ... + 433407.

It is an arithmetic number, because the mean of its divisors is an integer number (940576).

Almost surely, 2^44635668 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 44635668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67721472).

44635668 is an abundant number, since it is smaller than the sum of its proper divisors (90807276).

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

44635668 is a wasteful number, since it uses less digits than its factorization.

44635668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 193 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 44635668 is about 6680.9930399605. The cubic root of 44635668 is about 354.7268095913.

The spelling of 44635668 in words is "forty-four million, six hundred thirty-five thousand, six hundred sixty-eight".