44564636 has 6 divisors (see below), whose sum is σ = 77988120. Its totient is φ = 22282316.

The previous prime is 44564629. The next prime is 44564659. The reversal of 44564636 is 63646544.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 44564636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5570576 + ... + 5570583.

It is an arithmetic number, because the mean of its divisors is an integer number (12998020).

Almost surely, 2^44564636 is an apocalyptic number.

It is an amenable number.

44564636 is a deficient number, since it is larger than the sum of its proper divisors (33423484).

44564636 is a wasteful number, since it uses less digits than its factorization.

44564636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11141163 (or 11141161 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The square root of 44564636 is about 6675.6749471495. The cubic root of 44564636 is about 354.5385421241.

The spelling of 44564636 in words is "forty-four million, five hundred sixty-four thousand, six hundred thirty-six".