24681390068 has 36 divisors (see below), whose sum is σ = 45381978180. Its totient is φ = 11744025216.

The previous prime is 24681390049. The next prime is 24681390161. The reversal of 24681390068 is 86009318642.

It can be written as a sum of positive squares in 2 ways, for example, as 20426698084 + 4254691984 = 142922^2 + 65228^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387248 + ... + 446456.

It is an arithmetic number, because the mean of its divisors is an integer number (1260610505).

Almost surely, 2^24681390068 is an apocalyptic number.

It is an amenable number.

24681390068 is a deficient number, since it is larger than the sum of its proper divisors (20700588112).

24681390068 is a wasteful number, since it uses less digits than its factorization.

24681390068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59456 (or 59431 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 24681390068 in words is "twenty-four billion, six hundred eighty-one million, three hundred ninety thousand, sixty-eight".