26420017736 has 16 divisors (see below), whose sum is σ = 56614323840. Its totient is φ = 11322864720.

The previous prime is 26420017727. The next prime is 26420017763. The reversal of 26420017736 is 63771002462.

It is a self number, because there is not a number n which added to its sum of digits gives 26420017736.

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, 235892960 + ... + 235893071.

It is an arithmetic number, because the mean of its divisors is an integer number (3538395240).

Almost surely, 2^26420017736 is an apocalyptic number.

It is an amenable number.

26420017736 is an abundant number, since it is smaller than the sum of its proper divisors (30194306104).

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

26420017736 is a wasteful number, since it uses less digits than its factorization.

26420017736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471786044 (or 471786040 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 26420017736 in words is "twenty-six billion, four hundred twenty million, seventeen thousand, seven hundred thirty-six".