44444918 has 32 divisors (see below), whose sum is σ = 78796800. Its totient is φ = 18404064.

The previous prime is 44444893. The next prime is 44444921. The reversal of 44444918 is 81944444.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123623 + ... + 123981.

It is an arithmetic number, because the mean of its divisors is an integer number (2462400).

Almost surely, 2^44444918 is an apocalyptic number.

44444918 is a deficient number, since it is larger than the sum of its proper divisors (34351882).

44444918 is a wasteful number, since it uses less digits than its factorization.

44444918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644.

The product of its digits is 73728, while the sum is 38.

The square root of 44444918 is about 6666.7021832387. The cubic root of 44444918 is about 354.2207811261.

The spelling of 44444918 in words is "forty-four million, four hundred forty-four thousand, nine hundred eighteen".