33340042234 has 4 divisors (see below), whose sum is σ = 50010063354. Its totient is φ = 16670021116.

The previous prime is 33340042231. The next prime is 33340042259. The reversal of 33340042234 is 43224004333.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43224004333 = 2161 ⋅20001853.

It can be written as a sum of positive squares in only one way, i.e., 32484655225 + 855387009 = 180235^2 + 29247^2 .

It is a super-2 number, since 2×33340042234² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33340042231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8335010557 + ... + 8335010560.

Almost surely, 2^33340042234 is an apocalyptic number.

33340042234 is a deficient number, since it is larger than the sum of its proper divisors (16670021120).

33340042234 is a wasteful number, since it uses less digits than its factorization.

33340042234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16670021119.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 33340042234 its reverse (43224004333), we get a palindrome (76564046567).

The spelling of 33340042234 in words is "thirty-three billion, three hundred forty million, forty-two thousand, two hundred thirty-four".