24794864640 has 1232 divisors, whose sum is σ = 111259985088. Its totient is φ = 5159780352.

The previous prime is 24794864597. The next prime is 24794864671. The reversal of 24794864640 is 4646849742.

It is a super-2 number, since 2×24794864640² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 339655644 + ... + 339655716.

Almost surely, 2^24794864640 is an apocalyptic number.

24794864640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24794864640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55629992544).

24794864640 is an abundant number, since it is smaller than the sum of its proper divisors (86465120448).

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

24794864640 is an equidigital number, since it uses as much as digits as its factorization.

24794864640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 54.

The spelling of 24794864640 in words is "twenty-four billion, seven hundred ninety-four million, eight hundred sixty-four thousand, six hundred forty".