26892120312 has 128 divisors (see below), whose sum is σ = 77623603200. Its totient is φ = 8617104000.

The previous prime is 26892120271. The next prime is 26892120349. The reversal of 26892120312 is 21302129862.

It is a happy number.

It is a super-2 number, since 2×26892120312² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 997798 + ... + 1024394.

It is an arithmetic number, because the mean of its divisors is an integer number (606434400).

Almost surely, 2^26892120312 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 26892120312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38811801600).

26892120312 is an abundant number, since it is smaller than the sum of its proper divisors (50731482888).

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

26892120312 is a wasteful number, since it uses less digits than its factorization.

26892120312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26794 (or 26784 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 26892120312 in words is "twenty-six billion, eight hundred ninety-two million, one hundred twenty thousand, three hundred twelve".