24942036856 has 48 divisors (see below), whose sum is σ = 51426232200. Its totient is φ = 11332453440.

The previous prime is 24942036851. The next prime is 24942036859. The reversal of 24942036856 is 65863024942.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24942036851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3276751 + ... + 3284353.

Almost surely, 2^24942036856 is an apocalyptic number.

It is an amenable number.

24942036856 is an abundant number, since it is smaller than the sum of its proper divisors (26484195344).

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

24942036856 is a wasteful number, since it uses less digits than its factorization.

24942036856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11020 (or 11005 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 24942036856 in words is "twenty-four billion, nine hundred forty-two million, thirty-six thousand, eight hundred fifty-six".