26228788992 has 324 divisors, whose sum is σ = 88346851320. Its totient is φ = 7461974016.

The previous prime is 26228788987. The next prime is 26228789003. The reversal of 26228788992 is 29988782262.

26228788992 is a `hidden beast` number, since 262 + 287 + 8 + 8 + 9 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 42787278 + ... + 42787890.

Almost surely, 2^26228788992 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 26228788992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44173425660).

26228788992 is an abundant number, since it is smaller than the sum of its proper divisors (62118062328).

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

26228788992 is a wasteful number, since it uses less digits than its factorization.

26228788992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028 (or 1004 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 63.

The spelling of 26228788992 in words is "twenty-six billion, two hundred twenty-eight million, seven hundred eighty-eight thousand, nine hundred ninety-two".