26261640324878 has 8 divisors (see below), whose sum is σ = 45019954842672. Its totient is φ = 11254988710656.

The previous prime is 26261640324847. The next prime is 26261640324943. The reversal of 26261640324878 is 87842304616262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937915725875 + ... + 937915725902.

It is an arithmetic number, because the mean of its divisors is an integer number (5627494355334).

Almost surely, 2^{26261640324878} is an apocalyptic number.

26261640324878 is a deficient number, since it is larger than the sum of its proper divisors (18758314517794).

26261640324878 is a wasteful number, since it uses less digits than its factorization.

26261640324878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875831451786.

The product of its (nonzero) digits is 37158912, while the sum is 59.

The spelling of 26261640324878 in words is "twenty-six trillion, two hundred sixty-one billion, six hundred forty million, three hundred twenty-four thousand, eight hundred seventy-eight".