26504047608 has 64 divisors (see below), whose sum is σ = 73208136960. Its totient is φ = 7953470976.

The previous prime is 26504047561. The next prime is 26504047679. The reversal of 26504047608 is 80674040562.

It is a self number, because there is not a number n which added to its sum of digits gives 26504047608.

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, 1402810 + ... + 1421577.

It is an arithmetic number, because the mean of its divisors is an integer number (1143877140).

Almost surely, 2^26504047608 is an apocalyptic number.

It is an amenable number.

26504047608 is an abundant number, since it is smaller than the sum of its proper divisors (46704089352).

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

26504047608 is a wasteful number, since it uses less digits than its factorization.

26504047608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824436 (or 2824432 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 26504047608 in words is "twenty-six billion, five hundred four million, forty-seven thousand, six hundred eight".