44865018 has 48 divisors (see below), whose sum is σ = 106513056. Its totient is φ = 13535520.

The previous prime is 44865017. The next prime is 44865031. The reversal of 44865018 is 81056844.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44865017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68380 + ... + 69032.

It is an arithmetic number, because the mean of its divisors is an integer number (2219022).

Almost surely, 2^44865018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44865018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53256528).

44865018 is an abundant number, since it is smaller than the sum of its proper divisors (61648038).

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

44865018 is a wasteful number, since it uses less digits than its factorization.

44865018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019 (or 1016 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 44865018 is about 6698.1354121875. The cubic root of 44865018 is about 355.3333323555. Note that the first 5 decimals are identical.

The spelling of 44865018 in words is "forty-four million, eight hundred sixty-five thousand, eighteen".