268226020564 has 24 divisors (see below), whose sum is σ = 471357381600. Its totient is φ = 133552692000.

The previous prime is 268226020549. The next prime is 268226020571. The reversal of 268226020564 is 465020622862.

It is a self number, because there is not a number n which added to its sum of digits gives 268226020564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5779002 + ... + 5825230.

It is an arithmetic number, because the mean of its divisors is an integer number (19639890900).

Almost surely, 2^268226020564 is an apocalyptic number.

It is an amenable number.

268226020564 is a deficient number, since it is larger than the sum of its proper divisors (203131361036).

268226020564 is a wasteful number, since it uses less digits than its factorization.

268226020564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52263 (or 52261 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 268226020564 in words is "two hundred sixty-eight billion, two hundred twenty-six million, twenty thousand, five hundred sixty-four".