26420080818 has 32 divisors (see below), whose sum is σ = 55241942400. Its totient is φ = 8423770608.

The previous prime is 26420080793. The next prime is 26420080829. The reversal of 26420080818 is 81808002462.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107953 + ... + 253956.

It is an arithmetic number, because the mean of its divisors is an integer number (1726310700).

Almost surely, 2^26420080818 is an apocalyptic number.

26420080818 is an abundant number, since it is smaller than the sum of its proper divisors (28821861582).

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

26420080818 is an equidigital number, since it uses as much as digits as its factorization.

26420080818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361983 (or 361937 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The spelling of 26420080818 in words is "twenty-six billion, four hundred twenty million, eighty thousand, eight hundred eighteen".