40433141 has 4 divisors (see below), whose sum is σ = 46209312. Its totient is φ = 34656972.

The previous prime is 40433137. The next prime is 40433143. The reversal of 40433141 is 14133404.

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 not a de Polignac number, because 40433141 - 2² = 40433137 is a prime.

It is a super-2 number, since 2×40433141² = 3269677782251762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40433143) 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, 2888075 + ... + 2888088.

It is an arithmetic number, because the mean of its divisors is an integer number (11552328).

Almost surely, 2^40433141 is an apocalyptic number.

It is an amenable number.

40433141 is a deficient number, since it is larger than the sum of its proper divisors (5776171).

40433141 is an equidigital number, since it uses as much as digits as its factorization.

40433141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5776170.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 40433141 is about 6358.7059218052. The cubic root of 40433141 is about 343.2251947325.

Adding to 40433141 its reverse (14133404), we get a palindrome (54566545).

The spelling of 40433141 in words is "forty million, four hundred thirty-three thousand, one hundred forty-one".