44442644 has 12 divisors (see below), whose sum is σ = 78183168. Its totient is φ = 22104600.

The previous prime is 44442613. The next prime is 44442649. The reversal of 44442644 is 44624444.

It is a self number, because there is not a number n which added to its sum of digits gives 44442644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44442649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28322 + ... + 29849.

It is an arithmetic number, because the mean of its divisors is an integer number (6515264).

Almost surely, 2^44442644 is an apocalyptic number.

It is an amenable number.

44442644 is a deficient number, since it is larger than the sum of its proper divisors (33740524).

44442644 is a wasteful number, since it uses less digits than its factorization.

44442644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58366 (or 58364 counting only the distinct ones).

The product of its digits is 49152, while the sum is 32.

The square root of 44442644 is about 6666.5316319658. The cubic root of 44442644 is about 354.2147398520.

The spelling of 44442644 in words is "forty-four million, four hundred forty-two thousand, six hundred forty-four".