268142433 has 16 divisors (see below), whose sum is σ = 391554240. Its totient is φ = 162212544.

The previous prime is 268142431. The next prime is 268142447. The reversal of 268142433 is 334241862.

It is not a de Polignac number, because 268142433 - 2¹ = 268142431 is a prime.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 268142394 and 268142403.

It is not an unprimeable number, because it can be changed into a prime (268142431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55966 + ... + 60567.

It is an arithmetic number, because the mean of its divisors is an integer number (24472140).

Almost surely, 2^268142433 is an apocalyptic number.

It is an amenable number.

268142433 is a deficient number, since it is larger than the sum of its proper divisors (123411807).

268142433 is a wasteful number, since it uses less digits than its factorization.

268142433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116608.

The product of its digits is 27648, while the sum is 33.

The square root of 268142433 is about 16375.0552060138. The cubic root of 268142433 is about 644.8447700477.

The spelling of 268142433 in words is "two hundred sixty-eight million, one hundred forty-two thousand, four hundred thirty-three".