268129312790 has 16 divisors (see below), whose sum is σ = 482907173760. Its totient is φ = 107190744960.

The previous prime is 268129312753. The next prime is 268129312813. The reversal of 268129312790 is 97213921862.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 7604051 + ... + 7639230.

It is an arithmetic number, because the mean of its divisors is an integer number (30181698360).

Almost surely, 2^268129312790 is an apocalyptic number.

268129312790 is a deficient number, since it is larger than the sum of its proper divisors (214777860970).

268129312790 is a wasteful number, since it uses less digits than its factorization.

268129312790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15245047.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 268129312790 in words is "two hundred sixty-eight billion, one hundred twenty-nine million, three hundred twelve thousand, seven hundred ninety".