44418893 has 2 divisors, whose sum is σ = 44418894. Its totient is φ = 44418892.

The previous prime is 44418883. The next prime is 44418931. The reversal of 44418893 is 39881444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44129449 + 289444 = 6643^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 44418893 - 2²⁰ = 43370317 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44418893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44418883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22209446 + 22209447.

It is an arithmetic number, because the mean of its divisors is an integer number (22209447).

Almost surely, 2^44418893 is an apocalyptic number.

It is an amenable number.

44418893 is a deficient number, since it is larger than the sum of its proper divisors (1).

44418893 is an equidigital number, since it uses as much as digits as its factorization.

44418893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 41.

The square root of 44418893 is about 6664.7500328219. The cubic root of 44418893 is about 354.1516288948.

The spelling of 44418893 in words is "forty-four million, four hundred eighteen thousand, eight hundred ninety-three".