25749853290 has 384 divisors, whose sum is σ = 82263859200. Its totient is φ = 5712819840.

The previous prime is 25749853289. The next prime is 25749853313. The reversal of 25749853290 is 9235894752.

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

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 74206897 + ... + 74207243.

It is an arithmetic number, because the mean of its divisors is an integer number (214228800).

Almost surely, 2^25749853290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25749853290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41131929600).

25749853290 is an abundant number, since it is smaller than the sum of its proper divisors (56514005910).

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

25749853290 is a wasteful number, since it uses less digits than its factorization.

25749853290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 25749853290 in words is "twenty-five billion, seven hundred forty-nine million, eight hundred fifty-three thousand, two hundred ninety".