44638443 has 12 divisors (see below), whose sum is σ = 65070720. Its totient is φ = 29485296.

The previous prime is 44638441. The next prime is 44638493. The reversal of 44638443 is 34483644.

It is not a de Polignac number, because 44638443 - 2¹ = 44638441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44638398 and 44638407.

It is not an unprimeable number, because it can be changed into a prime (44638441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21771 + ... + 23732.

It is an arithmetic number, because the mean of its divisors is an integer number (5422560).

Almost surely, 2^44638443 is an apocalyptic number.

44638443 is a deficient number, since it is larger than the sum of its proper divisors (20432277).

44638443 is a wasteful number, since it uses less digits than its factorization.

44638443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45618 (or 45615 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 44638443 is about 6681.2007154403. The cubic root of 44638443 is about 354.7341605623.

The spelling of 44638443 in words is "forty-four million, six hundred thirty-eight thousand, four hundred forty-three".