44464521 has 4 divisors (see below), whose sum is σ = 59286032. Its totient is φ = 29643012.

The previous prime is 44464507. The next prime is 44464523. The reversal of 44464521 is 12546444.

It is a happy number.

44464521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 44464521 - 2¹⁵ = 44431753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44464523) 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 3 ways as a sum of consecutive naturals, for example, 7410751 + ... + 7410756.

It is an arithmetic number, because the mean of its divisors is an integer number (14821508).

Almost surely, 2^44464521 is an apocalyptic number.

It is an amenable number.

44464521 is a deficient number, since it is larger than the sum of its proper divisors (14821511).

44464521 is a wasteful number, since it uses less digits than its factorization.

44464521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14821510.

The product of its digits is 15360, while the sum is 30.

The square root of 44464521 is about 6668.1722383274. The cubic root of 44464521 is about 354.2728513413.

The spelling of 44464521 in words is "forty-four million, four hundred sixty-four thousand, five hundred twenty-one".