26055604806 has 32 divisors (see below), whose sum is σ = 64969820928. Its totient is φ = 6767689440.

The previous prime is 26055604781. The next prime is 26055604823. The reversal of 26055604806 is 60840655062.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

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, 28198245 + ... + 28199168.

It is an arithmetic number, because the mean of its divisors is an integer number (2030306904).

Almost surely, 2^26055604806 is an apocalyptic number.

26055604806 is an abundant number, since it is smaller than the sum of its proper divisors (38914216122).

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

26055604806 is a wasteful number, since it uses less digits than its factorization.

26055604806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56397436.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 26055604806 in words is "twenty-six billion, fifty-five million, six hundred four thousand, eight hundred six".