268457343834 has 16 divisors (see below), whose sum is σ = 565173355680. Its totient is φ = 84776003280.

The previous prime is 268457343829. The next prime is 268457343839. The reversal of 268457343834 is 438343754862.

It is an interprime number because it is at equal distance from previous prime (268457343829) and next prime (268457343839).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (268457343839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1177444377 + ... + 1177444604.

It is an arithmetic number, because the mean of its divisors is an integer number (35323334730).

Almost surely, 2^268457343834 is an apocalyptic number.

268457343834 is an abundant number, since it is smaller than the sum of its proper divisors (296716011846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268457343834 is a wasteful number, since it uses less digits than its factorization.

268457343834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354889005.

The product of its digits is 46448640, while the sum is 57.

The spelling of 268457343834 in words is "two hundred sixty-eight billion, four hundred fifty-seven million, three hundred forty-three thousand, eight hundred thirty-four".