205426542026014 has 8 divisors (see below), whose sum is σ = 318765323833560. Its totient is φ = 99171434081496.

The previous prime is 205426542026003. The next prime is 205426542026023. The reversal of 205426542026014 is 410620245624502.

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

It is a super-2 number, since 2×205426542026014² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1770918465684 + ... + 1770918465799.

It is an arithmetic number, because the mean of its divisors is an integer number (39845665479195).

Almost surely, 2^{205426542026014} is an apocalyptic number.

205426542026014 is a deficient number, since it is larger than the sum of its proper divisors (113338781807546).

205426542026014 is a wasteful number, since it uses less digits than its factorization.

205426542026014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541836931514.

The product of its (nonzero) digits is 921600, while the sum is 43.

The spelling of 205426542026014 in words is "two hundred five trillion, four hundred twenty-six billion, five hundred forty-two million, twenty-six thousand, fourteen".