26188479480 has 32 divisors (see below), whose sum is σ = 78565438800. Its totient is φ = 6983594496.

The previous prime is 26188479469. The next prime is 26188479497. The reversal of 26188479480 is 8497488162.

It is a self number, because there is not a number n which added to its sum of digits gives 26188479480.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109118545 + ... + 109118784.

Almost surely, 2^26188479480 is an apocalyptic number.

26188479480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26188479480 is an abundant number, since it is smaller than the sum of its proper divisors (52376959320).

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

26188479480 is a wasteful number, since it uses less digits than its factorization.

26188479480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218237343 (or 218237339 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 57.

The spelling of 26188479480 in words is "twenty-six billion, one hundred eighty-eight million, four hundred seventy-nine thousand, four hundred eighty".