44246521 has 8 divisors (see below), whose sum is σ = 48317184. Its totient is φ = 40183920.

The previous prime is 44246509. The next prime is 44246537. The reversal of 44246521 is 12564244.

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 44246521 - 2²¹ = 42149369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44246521.

It is not an unprimeable number, because it can be changed into a prime (44246551) 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, 19576 + ... + 21718.

It is an arithmetic number, because the mean of its divisors is an integer number (6039648).

Almost surely, 2^44246521 is an apocalyptic number.

It is an amenable number.

44246521 is a deficient number, since it is larger than the sum of its proper divisors (4070663).

44246521 is a wasteful number, since it uses less digits than its factorization.

44246521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031.

The product of its digits is 7680, while the sum is 28.

The square root of 44246521 is about 6651.8058450319. The cubic root of 44246521 is about 353.6929279835.

The spelling of 44246521 in words is "forty-four million, two hundred forty-six thousand, five hundred twenty-one".