26255248992 has 216 divisors, whose sum is σ = 87044374872. Its totient is φ = 7485004800.

The previous prime is 26255248979. The next prime is 26255248997. The reversal of 26255248992 is 29984255262.

26255248992 is a `hidden beast` number, since 2 + 6 + 2 + 552 + 4 + 89 + 9 + 2 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26255248997) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7350567 + ... + 7354137.

It is an arithmetic number, because the mean of its divisors is an integer number (402983217).

Almost surely, 2^26255248992 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 26255248992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43522187436).

26255248992 is an abundant number, since it is smaller than the sum of its proper divisors (60789125880).

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

26255248992 is a wasteful number, since it uses less digits than its factorization.

26255248992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4122 (or 4104 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 26255248992 in words is "twenty-six billion, two hundred fifty-five million, two hundred forty-eight thousand, nine hundred ninety-two".