40632133 has 4 divisors (see below), whose sum is σ = 40717440. Its totient is φ = 40546828.

The previous prime is 40632121. The next prime is 40632167. The reversal of 40632133 is 33123604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40632133 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 (40632433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41935 + ... + 42892.

It is an arithmetic number, because the mean of its divisors is an integer number (10179360).

Almost surely, 2^40632133 is an apocalyptic number.

It is an amenable number.

40632133 is a deficient number, since it is larger than the sum of its proper divisors (85307).

40632133 is an equidigital number, since it uses as much as digits as its factorization.

40632133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85306.

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

The square root of 40632133 is about 6374.3339259879. Note that the first 3 decimals coincide. The cubic root of 40632133 is about 343.7873353167.

Adding to 40632133 its reverse (33123604), we get a palindrome (73755737).

The spelling of 40632133 in words is "forty million, six hundred thirty-two thousand, one hundred thirty-three".