44438663 has 12 divisors (see below), whose sum is σ = 49697160. Its totient is φ = 39618432.

The previous prime is 44438657. The next prime is 44438671. The reversal of 44438663 is 36683444.

It is a de Polignac number, because none of the positive numbers 2^k-44438663 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44438363) 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 11 ways as a sum of consecutive naturals, for example, 1445 + ... + 9537.

It is an arithmetic number, because the mean of its divisors is an integer number (4141430).

Almost surely, 2^44438663 is an apocalyptic number.

44438663 is a deficient number, since it is larger than the sum of its proper divisors (5258497).

44438663 is a wasteful number, since it uses less digits than its factorization.

44438663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8146 (or 8129 counting only the distinct ones).

The product of its digits is 165888, while the sum is 38.

The square root of 44438663 is about 6666.2330442312. The cubic root of 44438663 is about 354.2041631411.

The spelling of 44438663 in words is "forty-four million, four hundred thirty-eight thousand, six hundred sixty-three".