26263662680 has 32 divisors (see below), whose sum is σ = 59323199040. Its totient is φ = 10464583680.

The previous prime is 26263662653. The next prime is 26263662683. The reversal of 26263662680 is 8626636262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26263662683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1267136 + ... + 1287695.

It is an arithmetic number, because the mean of its divisors is an integer number (1853849970).

Almost surely, 2^26263662680 is an apocalyptic number.

26263662680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26263662680 is an abundant number, since it is smaller than the sum of its proper divisors (33059536360).

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

26263662680 is a wasteful number, since it uses less digits than its factorization.

26263662680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555099 (or 2555095 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 47.

The spelling of 26263662680 in words is "twenty-six billion, two hundred sixty-three million, six hundred sixty-two thousand, six hundred eighty".