26304782656 has 28 divisors (see below), whose sum is σ = 53882381440. Its totient is φ = 12728119680.

The previous prime is 26304782641. The next prime is 26304782657. The reversal of 26304782656 is 65628740362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26304782657) 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, 6627246 + ... + 6631213.

Almost surely, 2^26304782656 is an apocalyptic number.

It is an amenable number.

26304782656 is an abundant number, since it is smaller than the sum of its proper divisors (27577598784).

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

26304782656 is a wasteful number, since it uses less digits than its factorization.

26304782656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13258502 (or 13258492 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 26304782656 in words is "twenty-six billion, three hundred four million, seven hundred eighty-two thousand, six hundred fifty-six".