26068668542 has 32 divisors (see below), whose sum is σ = 45748738560. Its totient is φ = 10910026080.

The previous prime is 26068668523. The next prime is 26068668551. The reversal of 26068668542 is 24586686062.

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, 8903 + ... + 228509.

It is an arithmetic number, because the mean of its divisors is an integer number (1429648080).

Almost surely, 2^26068668542 is an apocalyptic number.

26068668542 is a deficient number, since it is larger than the sum of its proper divisors (19680070018).

26068668542 is a wasteful number, since it uses less digits than its factorization.

26068668542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219816.

The product of its (nonzero) digits is 6635520, while the sum is 53.

The spelling of 26068668542 in words is "twenty-six billion, sixty-eight million, six hundred sixty-eight thousand, five hundred forty-two".