24045990221 has 16 divisors (see below), whose sum is σ = 28230389568. Its totient is φ = 20236819200.

The previous prime is 24045990173. The next prime is 24045990253. The reversal of 24045990221 is 12209954042.

It is a cyclic number.

It is not a de Polignac number, because 24045990221 - 2²² = 24041795917 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 (24045990281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1042595 + ... + 1065408.

It is an arithmetic number, because the mean of its divisors is an integer number (1764399348).

Almost surely, 2^24045990221 is an apocalyptic number.

It is an amenable number.

24045990221 is a deficient number, since it is larger than the sum of its proper divisors (4184399347).

24045990221 is a wasteful number, since it uses less digits than its factorization.

24045990221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108092.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 24045990221 in words is "twenty-four billion, forty-five million, nine hundred ninety thousand, two hundred twenty-one".