44281894 has 16 divisors (see below), whose sum is σ = 70069680. Its totient is φ = 20930400.

The previous prime is 44281891. The next prime is 44281901. The reversal of 44281894 is 49818244.

It is a happy number.

It is a super-2 number, since 2×44281894² = 3921772272454472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44281891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22344 + ... + 24244.

It is an arithmetic number, because the mean of its divisors is an integer number (4379355).

Almost surely, 2^44281894 is an apocalyptic number.

44281894 is a deficient number, since it is larger than the sum of its proper divisors (25787786).

44281894 is a wasteful number, since it uses less digits than its factorization.

44281894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535.

The product of its digits is 73728, while the sum is 40.

The square root of 44281894 is about 6654.4642158479. The cubic root of 44281894 is about 353.7871564645.

The spelling of 44281894 in words is "forty-four million, two hundred eighty-one thousand, eight hundred ninety-four".