40006233 has 12 divisors (see below), whose sum is σ = 58063408. Its totient is φ = 26543160.

The previous prime is 40006199. The next prime is 40006247. The reversal of 40006233 is 33260004.

40006233 is a `hidden beast` number, since 40 + 0 + 0 + 623 + 3 = 666.

40006233 is nontrivially palindromic in base 15.

It is not a de Polignac number, because 40006233 - 2¹⁶ = 39940697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40006273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8635 + ... + 12432.

Almost surely, 2^40006233 is an apocalyptic number.

It is an amenable number.

40006233 is a deficient number, since it is larger than the sum of its proper divisors (18057175).

40006233 is a wasteful number, since it uses less digits than its factorization.

40006233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21284 (or 21281 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 40006233 is about 6325.0480630585. The cubic root of 40006233 is about 342.0129522129.

Adding to 40006233 its reverse (33260004), we get a palindrome (73266237).

The spelling of 40006233 in words is "forty million, six thousand, two hundred thirty-three".