25493783700 has 576 divisors, whose sum is σ = 95193907200. Its totient is φ = 5221440000.

The previous prime is 25493783699. The next prime is 25493783737. The reversal of 25493783700 is 738739452.

It is a self number, because there is not a number n which added to its sum of digits gives 25493783700.

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 191 ways as a sum of consecutive naturals, for example, 114321789 + ... + 114322011.

It is an arithmetic number, because the mean of its divisors is an integer number (165267200).

Almost surely, 2^25493783700 is an apocalyptic number.

25493783700 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 25493783700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47596953600).

25493783700 is an abundant number, since it is smaller than the sum of its proper divisors (69700123500).

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

25493783700 is a wasteful number, since it uses less digits than its factorization.

25493783700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 25493783700 in words is "twenty-five billion, four hundred ninety-three million, seven hundred eighty-three thousand, seven hundred".