26487510648 has 16 divisors (see below), whose sum is σ = 66218776680. Its totient is φ = 8829170208.

The previous prime is 26487510629. The next prime is 26487510649. The reversal of 26487510648 is 84601578462.

It is a self number, because there is not a number n which added to its sum of digits gives 26487510648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26487510649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551823115 + ... + 551823162.

Almost surely, 2^26487510648 is an apocalyptic number.

It is an amenable number.

26487510648 is an abundant number, since it is smaller than the sum of its proper divisors (39731266032).

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

26487510648 is a wasteful number, since it uses less digits than its factorization.

26487510648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103646286 (or 1103646282 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 26487510648 in words is "twenty-six billion, four hundred eighty-seven million, five hundred ten thousand, six hundred forty-eight".