44518881 has 48 divisors (see below), whose sum is σ = 70884288. Its totient is φ = 24624000.

The previous prime is 44518871. The next prime is 44518933. The reversal of 44518881 is 18881544.

It is not a de Polignac number, because 44518881 - 2¹¹ = 44516833 is a prime.

It is a super-2 number, since 2×44518881² = 3963861530984322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44518811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 440731 + ... + 440831.

It is an arithmetic number, because the mean of its divisors is an integer number (1476756).

Almost surely, 2^44518881 is an apocalyptic number.

It is an amenable number.

44518881 is a deficient number, since it is larger than the sum of its proper divisors (26365407).

44518881 is a wasteful number, since it uses less digits than its factorization.

44518881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 171 counting only the distinct ones).

The product of its digits is 40960, while the sum is 39.

The square root of 44518881 is about 6672.2470727634. The cubic root of 44518881 is about 354.4171643729.

The spelling of 44518881 in words is "forty-four million, five hundred eighteen thousand, eight hundred eighty-one".