40004633 has 4 divisors (see below), whose sum is σ = 42110160. Its totient is φ = 37899108.

The previous prime is 40004611. The next prime is 40004651. The reversal of 40004633 is 33640004.

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.

It is a cyclic number.

It is not a de Polignac number, because 40004633 - 2¹² = 40000537 is a prime.

It is a super-2 number, since 2×40004633² = 3200741322929378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40004603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052735 + ... + 1052772.

It is an arithmetic number, because the mean of its divisors is an integer number (10527540).

Almost surely, 2^40004633 is an apocalyptic number.

It is an amenable number.

40004633 is a deficient number, since it is larger than the sum of its proper divisors (2105527).

40004633 is a wasteful number, since it uses less digits than its factorization.

40004633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105526.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 40004633 is about 6324.9215805415. The cubic root of 40004633 is about 342.0083926899.

Adding to 40004633 its reverse (33640004), we get a palindrome (73644637).

The spelling of 40004633 in words is "forty million, four thousand, six hundred thirty-three".