26450586656 has 24 divisors (see below), whose sum is σ = 56080331244. Its totient is φ = 12207962880.

The previous prime is 26450586653. The next prime is 26450586683. The reversal of 26450586656 is 65668505462.

It can be written as a sum of positive squares in 2 ways, for example, as 26336096656 + 114490000 = 162284^2 + 10700^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26450586598 and 26450586607.

It is not an unprimeable number, because it can be changed into a prime (26450586653) 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, 31791155 + ... + 31791986.

Almost surely, 2^26450586656 is an apocalyptic number.

26450586656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

26450586656 is an abundant number, since it is smaller than the sum of its proper divisors (29629744588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26450586656 is a wasteful number, since it uses less digits than its factorization.

26450586656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63583164 (or 63583156 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 53.

The spelling of 26450586656 in words is "twenty-six billion, four hundred fifty million, five hundred eighty-six thousand, six hundred fifty-six".