40012433 has 16 divisors (see below), whose sum is σ = 43206912. Its totient is φ = 36960000.

The previous prime is 40012417. The next prime is 40012447. The reversal of 40012433 is 33421004.

It is a cyclic number.

It is not a de Polignac number, because 40012433 - 2⁴ = 40012417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40012633) 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, 142253 + ... + 142533.

It is an arithmetic number, because the mean of its divisors is an integer number (2700432).

Almost surely, 2^40012433 is an apocalyptic number.

It is an amenable number.

40012433 is a deficient number, since it is larger than the sum of its proper divisors (3194479).

40012433 is a wasteful number, since it uses less digits than its factorization.

40012433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 40012433 is about 6325.5381589237. The cubic root of 40012433 is about 342.0306192163.

Adding to 40012433 its reverse (33421004), we get a palindrome (73433437).

The spelling of 40012433 in words is "forty million, twelve thousand, four hundred thirty-three".