26312638368 has 48 divisors (see below), whose sum is σ = 69704379360. Its totient is φ = 8690409216.

The previous prime is 26312638349. The next prime is 26312638381. The reversal of 26312638368 is 86383621362.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1246830 + ... + 1267757.

It is an arithmetic number, because the mean of its divisors is an integer number (1452174570).

Almost surely, 2^26312638368 is an apocalyptic number.

It is an amenable number.

26312638368 is an abundant number, since it is smaller than the sum of its proper divisors (43391740992).

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

26312638368 is a wasteful number, since it uses less digits than its factorization.

26312638368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514709 (or 2514701 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 48.

The spelling of 26312638368 in words is "twenty-six billion, three hundred twelve million, six hundred thirty-eight thousand, three hundred sixty-eight".