26529643228 has 48 divisors (see below), whose sum is σ = 53359568640. Its totient is φ = 11414304000.

The previous prime is 26529643219. The next prime is 26529643297. The reversal of 26529643228 is 82234692562.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 990825 + ... + 1017247.

It is an arithmetic number, because the mean of its divisors is an integer number (1111657680).

Almost surely, 2^26529643228 is an apocalyptic number.

It is an amenable number.

26529643228 is an abundant number, since it is smaller than the sum of its proper divisors (26829925412).

26529643228 is a wasteful number, since it uses less digits than its factorization.

26529643228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27658 (or 27656 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 49.

The spelling of 26529643228 in words is "twenty-six billion, five hundred twenty-nine million, six hundred forty-three thousand, two hundred twenty-eight".