26315010842 has 4 divisors (see below), whose sum is σ = 39472516266. Its totient is φ = 13157505420.

The previous prime is 26315010823. The next prime is 26315010937. The reversal of 26315010842 is 24801051362.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21512382241 + 4802628601 = 146671^2 + 69301^2 .

It is a super-2 number, since 2×26315010842² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26315010799 and 26315010808.

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 as a sum of consecutive naturals, namely, 6578752709 + ... + 6578752712.

Almost surely, 2^26315010842 is an apocalyptic number.

26315010842 is a deficient number, since it is larger than the sum of its proper divisors (13157505424).

26315010842 is a wasteful number, since it uses less digits than its factorization.

26315010842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13157505423.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 26315010842 in words is "twenty-six billion, three hundred fifteen million, ten thousand, eight hundred forty-two".