44842581 has 24 divisors (see below), whose sum is σ = 74692800. Its totient is φ = 25393536.

The previous prime is 44842579. The next prime is 44842591. The reversal of 44842581 is 18524844.

It is not a de Polignac number, because 44842581 - 2¹ = 44842579 is a prime.

It is a super-2 number, since 2×44842581² = 4021714141483122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44842531) 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, 3970 + ... + 10268.

It is an arithmetic number, because the mean of its divisors is an integer number (3112200).

Almost surely, 2^44842581 is an apocalyptic number.

It is an amenable number.

44842581 is a deficient number, since it is larger than the sum of its proper divisors (29850219).

44842581 is a wasteful number, since it uses less digits than its factorization.

44842581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6425 (or 6422 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The square root of 44842581 is about 6696.4603336390. The cubic root of 44842581 is about 355.2740884001.

The spelling of 44842581 in words is "forty-four million, eight hundred forty-two thousand, five hundred eighty-one".