26454650650 has 24 divisors (see below), whose sum is σ = 49322567484. Its totient is φ = 10556716800.

The previous prime is 26454650641. The next prime is 26454650687. The reversal of 26454650650 is 5605645462.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 207734569 + 26246916081 = 14413^2 + 162009^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 26454650597 and 26454650606.

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, 607327 + ... + 649426.

Almost surely, 2^26454650650 is an apocalyptic number.

26454650650 is a deficient number, since it is larger than the sum of its proper divisors (22867916834).

26454650650 is a wasteful number, since it uses less digits than its factorization.

26454650650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257186 (or 1257181 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 26454650650 in words is "twenty-six billion, four hundred fifty-four million, six hundred fifty thousand, six hundred fifty".