26456931798 has 16 divisors (see below), whose sum is σ = 57724214976. Its totient is φ = 8017252040.

The previous prime is 26456931713. The next prime is 26456931799. The reversal of 26456931798 is 89713965462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26456931799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200431236 + ... + 200431367.

It is an arithmetic number, because the mean of its divisors is an integer number (3607763436).

Almost surely, 2^26456931798 is an apocalyptic number.

26456931798 is an abundant number, since it is smaller than the sum of its proper divisors (31267283178).

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

26456931798 is a wasteful number, since it uses less digits than its factorization.

26456931798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400862619.

The product of its digits is 19595520, while the sum is 60.

The spelling of 26456931798 in words is "twenty-six billion, four hundred fifty-six million, nine hundred thirty-one thousand, seven hundred ninety-eight".