26263203868 has 48 divisors (see below), whose sum is σ = 52065588960. Its totient is φ = 11487052800.

The previous prime is 26263203833. The next prime is 26263204021. The reversal of 26263203868 is 86830236262.

It is a super-2 number, since 2×26263203868² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31978 + ... + 231406.

It is an arithmetic number, because the mean of its divisors is an integer number (1084699770).

Almost surely, 2^26263203868 is an apocalyptic number.

It is an amenable number.

26263203868 is a deficient number, since it is larger than the sum of its proper divisors (25802385092).

26263203868 is a wasteful number, since it uses less digits than its factorization.

26263203868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199558 (or 199556 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 26263203868 in words is "twenty-six billion, two hundred sixty-three million, two hundred three thousand, eight hundred sixty-eight".