26646536050 has 24 divisors (see below), whose sum is σ = 50902089156. Its totient is φ = 10370543040.

The previous prime is 26646536027. The next prime is 26646536089. The reversal of 26646536050 is 5063564662.

It can be written as a sum of positive squares in 6 ways, for example, as 16257015009 + 10389521041 = 127503^2 + 101929^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26646535988 and 26646536006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7199917 + ... + 7203616.

Almost surely, 2^26646536050 is an apocalyptic number.

26646536050 is a deficient number, since it is larger than the sum of its proper divisors (24255553106).

26646536050 is a wasteful number, since it uses less digits than its factorization.

26646536050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14403582 (or 14403577 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 26646536050 in words is "twenty-six billion, six hundred forty-six million, five hundred thirty-six thousand, fifty".