40633 has 4 divisors (see below), whose sum is σ = 41040. Its totient is φ = 40228.

The previous prime is 40627. The next prime is 40637. The reversal of 40633 is 33604.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40633 - 2¹³ = 32441 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66 + ... + 292.

It is an arithmetic number, because the mean of its divisors is an integer number (10260).

2⁴⁰⁶³³ is an apocalyptic number.

It is an amenable number.

40633 is a deficient number, since it is larger than the sum of its proper divisors (407).

40633 is a wasteful number, since it uses less digits than its factorization.

40633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 40633 is about 201.5762882881. The cubic root of 40633 is about 34.3789780520.

The spelling of 40633 in words is "forty thousand, six hundred thirty-three".