26145566828 has 6 divisors (see below), whose sum is σ = 45754741956. Its totient is φ = 13072783412.

The previous prime is 26145566827. The next prime is 26145566851. The reversal of 26145566828 is 82866554162.

It is a self number, because there is not a number n which added to its sum of digits gives 26145566828.

It is not an unprimeable number, because it can be changed into a prime (26145566827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3268195850 + ... + 3268195857.

It is an arithmetic number, because the mean of its divisors is an integer number (7625790326).

Almost surely, 2^26145566828 is an apocalyptic number.

It is an amenable number.

26145566828 is a deficient number, since it is larger than the sum of its proper divisors (19609175128).

26145566828 is a wasteful number, since it uses less digits than its factorization.

26145566828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6536391711 (or 6536391709 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 53.

The spelling of 26145566828 in words is "twenty-six billion, one hundred forty-five million, five hundred sixty-six thousand, eight hundred twenty-eight".