44890065 has 128 divisors (see below), whose sum is σ = 96307200. Its totient is φ = 19595520.

The previous prime is 44890049. The next prime is 44890093. The reversal of 44890065 is 56009844.

It is not a de Polignac number, because 44890065 - 2⁴ = 44890049 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1043934 + ... + 1043976.

It is an arithmetic number, because the mean of its divisors is an integer number (752400).

Almost surely, 2^44890065 is an apocalyptic number.

44890065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44890065 is an abundant number, since it is smaller than the sum of its proper divisors (51417135).

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

44890065 is a wasteful number, since it uses less digits than its factorization.

44890065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 44890065 is about 6700.0048507445. The cubic root of 44890065 is about 355.3994445789.

The spelling of 44890065 in words is "forty-four million, eight hundred ninety thousand, sixty-five".