44664771 has 16 divisors (see below), whose sum is σ = 60325760. Its totient is φ = 29393280.

The previous prime is 44664761. The next prime is 44664779. The reversal of 44664771 is 17746644.

It is a happy number.

44664771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44664771 - 2²⁵ = 11110339 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44664779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117660 + ... + 118038.

It is an arithmetic number, because the mean of its divisors is an integer number (3770360).

Almost surely, 2^44664771 is an apocalyptic number.

44664771 is a deficient number, since it is larger than the sum of its proper divisors (15660989).

44664771 is a wasteful number, since it uses less digits than its factorization.

44664771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786.

The product of its digits is 112896, while the sum is 39.

The square root of 44664771 is about 6683.1707295265. The cubic root of 44664771 is about 354.8038882440.

The spelling of 44664771 in words is "forty-four million, six hundred sixty-four thousand, seven hundred seventy-one".