40002033 has 4 divisors (see below), whose sum is σ = 53336048. Its totient is φ = 26668020.

The previous prime is 40002023. The next prime is 40002041. The reversal of 40002033 is 33020004.

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 not a de Polignac number, because 40002033 - 2⁸ = 40001777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40002023) 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, 6667003 + ... + 6667008.

It is an arithmetic number, because the mean of its divisors is an integer number (13334012).

Almost surely, 2^40002033 is an apocalyptic number.

It is an amenable number.

40002033 is a deficient number, since it is larger than the sum of its proper divisors (13334015).

40002033 is a wasteful number, since it uses less digits than its factorization.

40002033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13334014.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 40002033 is about 6324.7160410567. The cubic root of 40002033 is about 342.0009832057. Note that the first 3 decimals are identical.

Adding to 40002033 its reverse (33020004), we get a palindrome (73022037).

It can be divided in two parts, 4000203 and 3, that added together give a triangular number (4000206 = T₂₈₂₈).

The spelling of 40002033 in words is "forty million, two thousand, thirty-three".