44918820 has 96 divisors (see below), whose sum is σ = 140797440. Its totient is φ = 11888640.

The previous prime is 44918813. The next prime is 44918827. The reversal of 44918820 is 2881944.

It is an interprime number because it is at equal distance from previous prime (44918813) and next prime (44918827).

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

It is not an unprimeable number, because it can be changed into a prime (44918827) 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 31 ways as a sum of consecutive naturals, for example, 104005 + ... + 104435.

It is an arithmetic number, because the mean of its divisors is an integer number (1466640).

Almost surely, 2^44918820 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 44918820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70398720).

44918820 is an abundant number, since it is smaller than the sum of its proper divisors (95878620).

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

44918820 is a wasteful number, since it uses less digits than its factorization.

44918820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 44918820 is about 6702.1504011772. The cubic root of 44918820 is about 355.4753138513.

The spelling of 44918820 in words is "forty-four million, nine hundred eighteen thousand, eight hundred twenty".