44213818 has 8 divisors (see below), whose sum is σ = 72349920. Its totient is φ = 20097180.

The previous prime is 44213809. The next prime is 44213831. The reversal of 44213818 is 81831244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 44213818.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004838 + ... + 1004881.

It is an arithmetic number, because the mean of its divisors is an integer number (9043740).

Almost surely, 2^44213818 is an apocalyptic number.

44213818 is a deficient number, since it is larger than the sum of its proper divisors (28136102).

44213818 is a wasteful number, since it uses less digits than its factorization.

44213818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009732.

The product of its digits is 6144, while the sum is 31.

The square root of 44213818 is about 6649.3471860025. The cubic root of 44213818 is about 353.6057673025.

The spelling of 44213818 in words is "forty-four million, two hundred thirteen thousand, eight hundred eighteen".