40133443 has 8 divisors (see below), whose sum is σ = 45908480. Its totient is φ = 34368840.

The previous prime is 40133417. The next prime is 40133449. The reversal of 40133443 is 34433104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40133443 - 2¹⁷ = 40002371 is a prime.

It is a super-2 number, since 2×40133443² = 3221386494068498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40133449) 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 7 ways as a sum of consecutive naturals, for example, 9238 + ... + 12868.

It is an arithmetic number, because the mean of its divisors is an integer number (5738560).

Almost surely, 2^40133443 is an apocalyptic number.

40133443 is a deficient number, since it is larger than the sum of its proper divisors (5775037).

40133443 is a wasteful number, since it uses less digits than its factorization.

40133443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 40133443 is about 6335.0961318673. The cubic root of 40133443 is about 342.3750744067.

Adding to 40133443 its reverse (34433104), we get a palindrome (74566547).

The spelling of 40133443 in words is "forty million, one hundred thirty-three thousand, four hundred forty-three".