24220021408 has 192 divisors, whose sum is σ = 55553299200. Its totient is φ = 10291240960.

The previous prime is 24220021339. The next prime is 24220021429. The reversal of 24220021408 is 80412002242.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 48150885 + ... + 48151387.

It is an arithmetic number, because the mean of its divisors is an integer number (289340100).

Almost surely, 2^24220021408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24220021408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27776649600).

24220021408 is an abundant number, since it is smaller than the sum of its proper divisors (31333277792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24220021408 is a wasteful number, since it uses less digits than its factorization.

24220021408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The spelling of 24220021408 in words is "twenty-four billion, two hundred twenty million, twenty-one thousand, four hundred eight".