44613644 has 24 divisors (see below), whose sum is σ = 82909008. Its totient is φ = 20933120.

The previous prime is 44613607. The next prime is 44613649. The reversal of 44613644 is 44631644.

44613644 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

44613644 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 44613644.

It is not an unprimeable number, because it can be changed into a prime (44613649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29384 + ... + 30864.

It is an arithmetic number, because the mean of its divisors is an integer number (3454542).

Almost surely, 2^44613644 is an apocalyptic number.

It is an amenable number.

44613644 is a deficient number, since it is larger than the sum of its proper divisors (38295364).

44613644 is a wasteful number, since it uses less digits than its factorization.

44613644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945 (or 1943 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 44613644 is about 6679.3445786245. The cubic root of 44613644 is about 354.6684572400.

The spelling of 44613644 in words is "forty-four million, six hundred thirteen thousand, six hundred forty-four".