26217093408 has 48 divisors (see below), whose sum is σ = 75076225056. Its totient is φ = 7944573440.

The previous prime is 26217093407. The next prime is 26217093449. The reversal of 26217093408 is 80439071262.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 26217093408.

It is not an unprimeable number, because it can be changed into a prime (26217093407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12412341 + ... + 12414452.

It is an arithmetic number, because the mean of its divisors is an integer number (1564088022).

Almost surely, 2^26217093408 is an apocalyptic number.

It is an amenable number.

26217093408 is an abundant number, since it is smaller than the sum of its proper divisors (48859131648).

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

26217093408 is a wasteful number, since it uses less digits than its factorization.

26217093408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24826817 (or 24826809 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 26217093408 in words is "twenty-six billion, two hundred seventeen million, ninety-three thousand, four hundred eight".