25075778260 has 96 divisors (see below), whose sum is σ = 60189599232. Its totient is φ = 8693237760.

The previous prime is 25075778251. The next prime is 25075778279. The reversal of 25075778260 is 6287757052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1898439 + ... + 1911601.

It is an arithmetic number, because the mean of its divisors is an integer number (626974992).

Almost surely, 2^25075778260 is an apocalyptic number.

25075778260 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 25075778260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30094799616).

25075778260 is an abundant number, since it is smaller than the sum of its proper divisors (35113820972).

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

25075778260 is a wasteful number, since it uses less digits than its factorization.

25075778260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13633 (or 13631 counting only the distinct ones).

The product of its (nonzero) digits is 1646400, while the sum is 49.

The spelling of 25075778260 in words is "twenty-five billion, seventy-five million, seven hundred seventy-eight thousand, two hundred sixty".