268013564836 has 12 divisors (see below), whose sum is σ = 469245934080. Its totient is φ = 133943297960.

The previous prime is 268013564813. The next prime is 268013564839. The reversal of 268013564836 is 638465310862.

It is a super-2 number, since 2×268013564836² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268013564839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15861616 + ... + 15878503.

It is an arithmetic number, because the mean of its divisors is an integer number (39103827840).

Almost surely, 2^268013564836 is an apocalyptic number.

It is an amenable number.

268013564836 is a deficient number, since it is larger than the sum of its proper divisors (201232369244).

268013564836 is a wasteful number, since it uses less digits than its factorization.

268013564836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31742234 (or 31742232 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 268013564836 in words is "two hundred sixty-eight billion, thirteen million, five hundred sixty-four thousand, eight hundred thirty-six".