26516988140 has 12 divisors (see below), whose sum is σ = 55685675136. Its totient is φ = 10606795248.

The previous prime is 26516988097. The next prime is 26516988151. The reversal of 26516988140 is 4188961562.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662924684 + ... + 662924723.

It is an arithmetic number, because the mean of its divisors is an integer number (4640472928).

Almost surely, 2^26516988140 is an apocalyptic number.

26516988140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26516988140 is an abundant number, since it is smaller than the sum of its proper divisors (29168686996).

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

26516988140 is a wasteful number, since it uses less digits than its factorization.

26516988140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325849416 (or 1325849414 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 26516988140 in words is "twenty-six billion, five hundred sixteen million, nine hundred eighty-eight thousand, one hundred forty".