26205473634542 has 8 divisors (see below), whose sum is σ = 39558581219496. Its totient is φ = 13019279894712.

The previous prime is 26205473634523. The next prime is 26205473634563. The reversal of 26205473634542 is 24543637450262.

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, 41728460888 + ... + 41728461515.

It is an arithmetic number, because the mean of its divisors is an integer number (4944822652437).

Almost surely, 2^{26205473634542} is an apocalyptic number.

26205473634542 is a deficient number, since it is larger than the sum of its proper divisors (13353107584954).

26205473634542 is a wasteful number, since it uses less digits than its factorization.

26205473634542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83456922562.

The product of its (nonzero) digits is 29030400, while the sum is 53.

The spelling of 26205473634542 in words is "twenty-six trillion, two hundred five billion, four hundred seventy-three million, six hundred thirty-four thousand, five hundred forty-two".