26454021204 has 24 divisors (see below), whose sum is σ = 66474207520. Its totient is φ = 8139698784.

The previous prime is 26454021203. The next prime is 26454021289. The reversal of 26454021204 is 40212045462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26454021203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84788374 + ... + 84788685.

Almost surely, 2^26454021204 is an apocalyptic number.

It is an amenable number.

26454021204 is an abundant number, since it is smaller than the sum of its proper divisors (40020186316).

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

26454021204 is a wasteful number, since it uses less digits than its factorization.

26454021204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169577079 (or 169577077 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 26454021204 its reverse (40212045462), we get a palindrome (66666066666).

The spelling of 26454021204 in words is "twenty-six billion, four hundred fifty-four million, twenty-one thousand, two hundred four".