40133433 has 4 divisors (see below), whose sum is σ = 53511248. Its totient is φ = 26755620.

The previous prime is 40133417. The next prime is 40133449. The reversal of 40133433 is 33433104.

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 an interprime number because it is at equal distance from previous prime (40133417) and next prime (40133449).

It is not a de Polignac number, because 40133433 - 2⁴ = 40133417 is a prime.

It is a super-2 number, since 2×40133433² = 3221384888730978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40133033) 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, 6688903 + ... + 6688908.

It is an arithmetic number, because the mean of its divisors is an integer number (13377812).

Almost surely, 2^40133433 is an apocalyptic number.

It is an amenable number.

40133433 is a deficient number, since it is larger than the sum of its proper divisors (13377815).

40133433 is a wasteful number, since it uses less digits than its factorization.

40133433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13377814.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 40133433 is about 6335.0953426132. The cubic root of 40133433 is about 342.3750459703.

Adding to 40133433 its reverse (33433104), we get a palindrome (73566537).

The spelling of 40133433 in words is "forty million, one hundred thirty-three thousand, four hundred thirty-three".