40000533 has 4 divisors (see below), whose sum is σ = 53334048. Its totient is φ = 26667020.

The previous prime is 40000523. The next prime is 40000537. The reversal of 40000533 is 33500004.

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 40000533 - 2⁴ = 40000517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40000537) 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, 6666753 + ... + 6666758.

It is an arithmetic number, because the mean of its divisors is an integer number (13333512).

Almost surely, 2^40000533 is an apocalyptic number.

It is an amenable number.

40000533 is a deficient number, since it is larger than the sum of its proper divisors (13333515).

40000533 is a wasteful number, since it uses less digits than its factorization.

40000533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13333514.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 40000533 is about 6324.5974575462. The cubic root of 40000533 is about 341.9967083572.

Adding to 40000533 its reverse (33500004), we get a palindrome (73500537).

The spelling of 40000533 in words is "forty million, five hundred thirty-three", and thus it is an aban number.