268402744034 has 4 divisors (see below), whose sum is σ = 402604116054. Its totient is φ = 134201372016.

The previous prime is 268402744021. The next prime is 268402744037. The reversal of 268402744034 is 430447204862.

It is a happy number.

268402744034 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 142517575225 + 125885168809 = 377515^2 + 354803^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (268402744037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67100686007 + ... + 67100686010.

Almost surely, 2^268402744034 is an apocalyptic number.

268402744034 is a deficient number, since it is larger than the sum of its proper divisors (134201372020).

268402744034 is a wasteful number, since it uses less digits than its factorization.

268402744034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134201372019.

The product of its (nonzero) digits is 1032192, while the sum is 44.

Adding to 268402744034 its reverse (430447204862), we get a palindrome (698849948896).

The spelling of 268402744034 in words is "two hundred sixty-eight billion, four hundred two million, seven hundred forty-four thousand, thirty-four".