24978669140 has 48 divisors (see below), whose sum is σ = 52767590400. Its totient is φ = 9932116992.

The previous prime is 24978669127. The next prime is 24978669167. The reversal of 24978669140 is 4196687942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2897156 + ... + 2905764.

It is an arithmetic number, because the mean of its divisors is an integer number (1099324800).

Almost surely, 2^24978669140 is an apocalyptic number.

24978669140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24978669140 is an abundant number, since it is smaller than the sum of its proper divisors (27788921260).

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

24978669140 is a wasteful number, since it uses less digits than its factorization.

24978669140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9464 (or 9462 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 24978669140 in words is "twenty-four billion, nine hundred seventy-eight million, six hundred sixty-nine thousand, one hundred forty".