24998940764 has 48 divisors (see below), whose sum is σ = 53854703616. Its totient is φ = 9917424000.

The previous prime is 24998940763. The next prime is 24998940803. The reversal of 24998940764 is 46704989942.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a junction number, because it is equal to n+sod(n) for n = 24998940697 and 24998940706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24998940763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 606137 + ... + 646064.

It is an arithmetic number, because the mean of its divisors is an integer number (1121972992).

Almost surely, 2^24998940764 is an apocalyptic number.

It is an amenable number.

24998940764 is an abundant number, since it is smaller than the sum of its proper divisors (28855762852).

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

24998940764 is a wasteful number, since it uses less digits than its factorization.

24998940764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252266 (or 1252264 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 62.

The spelling of 24998940764 in words is "twenty-four billion, nine hundred ninety-eight million, nine hundred forty thousand, seven hundred sixty-four".