44421536 has 24 divisors (see below), whose sum is σ = 88764480. Its totient is φ = 21878208.

The previous prime is 44421529. The next prime is 44421539. The reversal of 44421536 is 63512444.

It is a junction number, because it is equal to n+sod(n) for n = 44421499 and 44421508.

It is not an unprimeable number, because it can be changed into a prime (44421539) 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 3 ways as a sum of consecutive naturals, for example, 8216 + ... + 12503.

It is an arithmetic number, because the mean of its divisors is an integer number (3698520).

Almost surely, 2^44421536 is an apocalyptic number.

It is an amenable number.

44421536 is a deficient number, since it is larger than the sum of its proper divisors (44342944).

44421536 is a wasteful number, since it uses less digits than its factorization.

44421536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20796 (or 20788 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 44421536 is about 6664.9483118776. The cubic root of 44421536 is about 354.1586529644.

The spelling of 44421536 in words is "forty-four million, four hundred twenty-one thousand, five hundred thirty-six".