26538775404 has 24 divisors (see below), whose sum is σ = 61984488048. Its totient is φ = 8837590080.

The previous prime is 26538775391. The next prime is 26538775411. The reversal of 26538775404 is 40457783562.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070787 + ... + 1095290.

It is an arithmetic number, because the mean of its divisors is an integer number (2582687002).

Almost surely, 2^26538775404 is an apocalyptic number.

It is an amenable number.

26538775404 is an abundant number, since it is smaller than the sum of its proper divisors (35445712644).

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

26538775404 is a wasteful number, since it uses less digits than its factorization.

26538775404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167105 (or 2167103 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 51.

The spelling of 26538775404 in words is "twenty-six billion, five hundred thirty-eight million, seven hundred seventy-five thousand, four hundred four".