26528931064 has 16 divisors (see below), whose sum is σ = 49745111400. Its totient is φ = 13263568032.

The previous prime is 26528931061. The next prime is 26528931073. The reversal of 26528931064 is 46013982562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26528931061) 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, 23022 + ... + 231490.

Almost surely, 2^26528931064 is an apocalyptic number.

It is an amenable number.

26528931064 is a deficient number, since it is larger than the sum of its proper divisors (23216180336).

26528931064 is a wasteful number, since it uses less digits than its factorization.

26528931064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224382 (or 224378 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 26528931064 in words is "twenty-six billion, five hundred twenty-eight million, nine hundred thirty-one thousand, sixty-four".