268162042 has 4 divisors (see below), whose sum is σ = 402243066. Its totient is φ = 134081020.

The previous prime is 268162007. The next prime is 268162079. The reversal of 268162042 is 240261862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240261862 = 2 ⋅120130931.

It can be written as a sum of positive squares in only one way, i.e., 210569121 + 57592921 = 14511^2 + 7589^2 .

It is a junction number, because it is equal to n+sod(n) for n = 268161995 and 268162013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67040509 + ... + 67040512.

Almost surely, 2^268162042 is an apocalyptic number.

268162042 is a deficient number, since it is larger than the sum of its proper divisors (134081024).

268162042 is a wasteful number, since it uses less digits than its factorization.

268162042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134081023.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 268162042 is about 16375.6539411408. The cubic root of 268162042 is about 644.8604886253.

The spelling of 268162042 in words is "two hundred sixty-eight million, one hundred sixty-two thousand, forty-two".