44859864 has 64 divisors (see below), whose sum is σ = 128793600. Its totient is φ = 12754944.

The previous prime is 44859853. The next prime is 44859901. The reversal of 44859864 is 46895844.

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 15 ways as a sum of consecutive naturals, for example, 42657 + ... + 43695.

It is an arithmetic number, because the mean of its divisors is an integer number (2012400).

Almost surely, 2^44859864 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 44859864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64396800).

44859864 is an abundant number, since it is smaller than the sum of its proper divisors (83933736).

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

44859864 is a wasteful number, since it uses less digits than its factorization.

44859864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312 (or 1308 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 44859864 is about 6697.7506672016. The cubic root of 44859864 is about 355.3197251830.

The spelling of 44859864 in words is "forty-four million, eight hundred fifty-nine thousand, eight hundred sixty-four".