25790056992 has 192 divisors, whose sum is σ = 91024093440. Its totient is φ = 6935113728.

The previous prime is 25790056991. The next prime is 25790057011. The reversal of 25790056992 is 29965009752.

It is a happy number.

25790056992 is a `hidden beast` number, since 2 + 5 + 79 + 0 + 0 + 569 + 9 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (25790056991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22603 + ... + 228234.

It is an arithmetic number, because the mean of its divisors is an integer number (474083820).

Almost surely, 2^25790056992 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 25790056992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45512046720).

25790056992 is an abundant number, since it is smaller than the sum of its proper divisors (65234036448).

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

25790056992 is a wasteful number, since it uses less digits than its factorization.

25790056992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250880 (or 250866 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 54.

The spelling of 25790056992 in words is "twenty-five billion, seven hundred ninety million, fifty-six thousand, nine hundred ninety-two".