26556258004 has 12 divisors (see below), whose sum is σ = 47972595328. Its totient is φ = 12849802200.

The previous prime is 26556257977. The next prime is 26556258007. The reversal of 26556258004 is 40085265562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26556258007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107081562 + ... + 107081809.

Almost surely, 2^26556258004 is an apocalyptic number.

It is an amenable number.

26556258004 is a deficient number, since it is larger than the sum of its proper divisors (21416337324).

26556258004 is a wasteful number, since it uses less digits than its factorization.

26556258004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214163406 (or 214163404 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 26556258004 in words is "twenty-six billion, five hundred fifty-six million, two hundred fifty-eight thousand, four".