44669521 has 8 divisors (see below), whose sum is σ = 48686400. Its totient is φ = 40735632.

The previous prime is 44669509. The next prime is 44669531. The reversal of 44669521 is 12596644.

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 44669521 - 2¹⁷ = 44538449 is a prime.

It is a super-2 number, since 2×44669521² = 3990732212738882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44669531) 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, 19621 + ... + 21778.

It is an arithmetic number, because the mean of its divisors is an integer number (6085800).

Almost surely, 2^44669521 is an apocalyptic number.

It is an amenable number.

44669521 is a deficient number, since it is larger than the sum of its proper divisors (4016879).

44669521 is a wasteful number, since it uses less digits than its factorization.

44669521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41495.

The product of its digits is 51840, while the sum is 37.

The square root of 44669521 is about 6683.5260903209. The cubic root of 44669521 is about 354.8164653354.

The spelling of 44669521 in words is "forty-four million, six hundred sixty-nine thousand, five hundred twenty-one".