26498000881 has 16 divisors (see below), whose sum is σ = 29503183680. Its totient is φ = 23595151680.

The previous prime is 26498000857. The next prime is 26498000887. The reversal of 26498000881 is 18800089462.

It is the 66456-th star number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26498000881 is a prime.

It is a super-2 number, since 2×26498000881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26498000887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106075 + ... + 253471.

It is an arithmetic number, because the mean of its divisors is an integer number (1843948980).

Almost surely, 2^26498000881 is an apocalyptic number.

It is an amenable number.

26498000881 is a deficient number, since it is larger than the sum of its proper divisors (3005182799).

26498000881 is a wasteful number, since it uses less digits than its factorization.

26498000881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147744.

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 26498000881 in words is "twenty-six billion, four hundred ninety-eight million, eight hundred eighty-one", and thus it is an aban number.