44909472 has 48 divisors (see below), whose sum is σ = 118232352. Its totient is φ = 14926080.

The previous prime is 44909471. The next prime is 44909503. The reversal of 44909472 is 27490944.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 44909472.

It is not an unprimeable number, because it can be changed into a prime (44909471) 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 7 ways as a sum of consecutive naturals, for example, 64647 + ... + 65337.

It is an arithmetic number, because the mean of its divisors is an integer number (2463174).

Almost surely, 2^44909472 is an apocalyptic number.

It is an amenable number.

44909472 is an abundant number, since it is smaller than the sum of its proper divisors (73322880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44909472 is a wasteful number, since it uses less digits than its factorization.

44909472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381 (or 1373 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 44909472 is about 6701.4529767805. The cubic root of 44909472 is about 355.4506529648.

The spelling of 44909472 in words is "forty-four million, nine hundred nine thousand, four hundred seventy-two".