24997656068 has 24 divisors (see below), whose sum is σ = 54540341184. Its totient is φ = 9739346400.

The previous prime is 24997656067. The next prime is 24997656107. The reversal of 24997656068 is 86065679942.

It is a self number, because there is not a number n which added to its sum of digits gives 24997656068.

It is not an unprimeable number, because it can be changed into a prime (24997656067) 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 7 ways as a sum of consecutive naturals, for example, 40580303 + ... + 40580918.

It is an arithmetic number, because the mean of its divisors is an integer number (2272514216).

Almost surely, 2^24997656068 is an apocalyptic number.

24997656068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

24997656068 is an abundant number, since it is smaller than the sum of its proper divisors (29542685116).

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

24997656068 is a wasteful number, since it uses less digits than its factorization.

24997656068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81161243 (or 81161241 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 62.

It can be divided in two parts, 2499 and 7656068, that added together give a palindrome (7658567).

The spelling of 24997656068 in words is "twenty-four billion, nine hundred ninety-seven million, six hundred fifty-six thousand, sixty-eight".