26301940881 has 32 divisors (see below), whose sum is σ = 38814743808. Its totient is φ = 15757885440.

The previous prime is 26301940877. The next prime is 26301940883. The reversal of 26301940881 is 18804910362.

It is not a de Polignac number, because 26301940881 - 2² = 26301940877 is a prime.

It is a super-2 number, since 2×26301940881² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26301940883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 657391 + ... + 696251.

It is an arithmetic number, because the mean of its divisors is an integer number (1212960744).

Almost surely, 2^26301940881 is an apocalyptic number.

It is an amenable number.

26301940881 is a deficient number, since it is larger than the sum of its proper divisors (12512802927).

26301940881 is a wasteful number, since it uses less digits than its factorization.

26301940881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39481.

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 26301940881 in words is "twenty-six billion, three hundred one million, nine hundred forty thousand, eight hundred eighty-one".