40633213 has 8 divisors (see below), whose sum is σ = 43243200. Its totient is φ = 38047680.

The previous prime is 40633211. The next prime is 40633253. The reversal of 40633213 is 31233604.

40633213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40633213 - 2¹ = 40633211 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 (40633211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2623 + ... + 9388.

It is an arithmetic number, because the mean of its divisors is an integer number (5405400).

Almost surely, 2^40633213 is an apocalyptic number.

It is an amenable number.

40633213 is a deficient number, since it is larger than the sum of its proper divisors (2609987).

40633213 is a wasteful number, since it uses less digits than its factorization.

40633213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12227.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 40633213 is about 6374.4186401585. The cubic root of 40633213 is about 343.7903812396.

Adding to 40633213 its reverse (31233604), we get a palindrome (71866817).

The spelling of 40633213 in words is "forty million, six hundred thirty-three thousand, two hundred thirteen".