25262893260 has 144 divisors (see below), whose sum is σ = 84031627680. Its totient is φ = 6092513280.

The previous prime is 25262893223. The next prime is 25262893273. The reversal of 25262893260 is 6239826252.

25262893260 is a `hidden beast` number, since 25 + 26 + 289 + 326 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 349086 + ... + 415194.

It is an arithmetic number, because the mean of its divisors is an integer number (583552970).

Almost surely, 2^25262893260 is an apocalyptic number.

25262893260 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 25262893260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42015813840).

25262893260 is an abundant number, since it is smaller than the sum of its proper divisors (58768734420).

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

25262893260 is a wasteful number, since it uses less digits than its factorization.

25262893260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66328 (or 66323 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 25262893260 in words is "twenty-five billion, two hundred sixty-two million, eight hundred ninety-three thousand, two hundred sixty".