40016133 has 16 divisors (see below), whose sum is σ = 61196800. Its totient is φ = 25816320.

The previous prime is 40016087. The next prime is 40016149. The reversal of 40016133 is 33161004.

It is not a de Polignac number, because 40016133 - 2¹⁷ = 39885061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40016153) 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, 23068 + ... + 24741.

It is an arithmetic number, because the mean of its divisors is an integer number (3824800).

Almost surely, 2^40016133 is an apocalyptic number.

It is an amenable number.

40016133 is a deficient number, since it is larger than the sum of its proper divisors (21180667).

40016133 is a wasteful number, since it uses less digits than its factorization.

40016133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47849 (or 47843 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 40016133 is about 6325.8306173972. The cubic root of 40016133 is about 342.0411615586.

Adding to 40016133 its reverse (33161004), we get a palindrome (73177137).

The spelling of 40016133 in words is "forty million, sixteen thousand, one hundred thirty-three".