44001018 has 24 divisors (see below), whose sum is σ = 95468256. Its totient is φ = 14646600.

The previous prime is 44000989. The next prime is 44001019. The reversal of 44001018 is 81010044.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (44001019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17373 + ... + 19743.

It is an arithmetic number, because the mean of its divisors is an integer number (3977844).

Almost surely, 2^44001018 is an apocalyptic number.

44001018 is an abundant number, since it is smaller than the sum of its proper divisors (51467238).

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

44001018 is a wasteful number, since it uses less digits than its factorization.

44001018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410 (or 3407 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 44001018 is about 6633.3263149042. The cubic root of 44001018 is about 353.0375561590.

The spelling of 44001018 in words is "forty-four million, one thousand, eighteen".