40133234 has 16 divisors (see below), whose sum is σ = 62163288. Its totient is φ = 19418112.

The previous prime is 40133231. The next prime is 40133267. The reversal of 40133234 is 43233104.

It can be written as a sum of positive squares in 4 ways, for example, as 33605209 + 6528025 = 5797^2 + 2555^2 .

It is a super-2 number, since 2×40133234² = 3221352942597512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40133231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13202 + ... + 15954.

Almost surely, 2^40133234 is an apocalyptic number.

40133234 is a deficient number, since it is larger than the sum of its proper divisors (22030054).

40133234 is a wasteful number, since it uses less digits than its factorization.

40133234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 40133234 is about 6335.0796364371. The cubic root of 40133234 is about 342.3744800851.

Adding to 40133234 its reverse (43233104), we get a palindrome (83366338).

The spelling of 40133234 in words is "forty million, one hundred thirty-three thousand, two hundred thirty-four".