26263985268 has 24 divisors (see below), whose sum is σ = 61550248480. Its totient is φ = 8716430880.

The previous prime is 26263985249. The next prime is 26263985273. The reversal of 26263985268 is 86258936262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4775998 + ... + 4781493.

Almost surely, 2^26263985268 is an apocalyptic number.

It is an amenable number.

26263985268 is an abundant number, since it is smaller than the sum of its proper divisors (35286263212).

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

26263985268 is a wasteful number, since it uses less digits than its factorization.

26263985268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9557727 (or 9557725 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 57.

The spelling of 26263985268 in words is "twenty-six billion, two hundred sixty-three million, nine hundred eighty-five thousand, two hundred sixty-eight".