44521493 has 8 divisors (see below), whose sum is σ = 44919000. Its totient is φ = 44126208.

The previous prime is 44521483. The next prime is 44521559. The reversal of 44521493 is 39412544.

It can be written as a sum of positive squares in 4 ways, for example, as 9746884 + 34774609 = 3122^2 + 5897^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44521493 - 2¹⁸ = 44259349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44521403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98933 + ... + 99381.

It is an arithmetic number, because the mean of its divisors is an integer number (5614875).

Almost surely, 2^44521493 is an apocalyptic number.

It is an amenable number.

44521493 is a deficient number, since it is larger than the sum of its proper divisors (397507).

44521493 is a wasteful number, since it uses less digits than its factorization.

44521493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111.

The product of its digits is 17280, while the sum is 32.

The square root of 44521493 is about 6672.4428060494. The cubic root of 44521493 is about 354.4240956607.

The spelling of 44521493 in words is "forty-four million, five hundred twenty-one thousand, four hundred ninety-three".