25650196992 has 480 divisors, whose sum is σ = 93017707200. Its totient is φ = 6939426816.

The previous prime is 25650196981. The next prime is 25650197059. The reversal of 25650196992 is 29969105652.

25650196992 is a `hidden beast` number, since 2 + 565 + 0 + 19 + 69 + 9 + 2 = 666.

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 47 ways as a sum of consecutive naturals, for example, 12869148 + ... + 12871140.

It is an arithmetic number, because the mean of its divisors is an integer number (193786890).

Almost surely, 2^25650196992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25650196992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46508853600).

25650196992 is an abundant number, since it is smaller than the sum of its proper divisors (67367510208).

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

25650196992 is a wasteful number, since it uses less digits than its factorization.

25650196992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053 (or 2024 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 54.

The spelling of 25650196992 in words is "twenty-five billion, six hundred fifty million, one hundred ninety-six thousand, nine hundred ninety-two".