40133743 has 4 divisors (see below), whose sum is σ = 43220968. Its totient is φ = 37046520.

The previous prime is 40133707. The next prime is 40133761. The reversal of 40133743 is 34733104.

It is a happy number.

40133743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40133743 - 2⁹ = 40133231 is a prime.

It is a super-2 number, since 2×40133743² = 3221434654380098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40133783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1543593 + ... + 1543618.

It is an arithmetic number, because the mean of its divisors is an integer number (10805242).

Almost surely, 2^40133743 is an apocalyptic number.

40133743 is a deficient number, since it is larger than the sum of its proper divisors (3087225).

40133743 is a wasteful number, since it uses less digits than its factorization.

40133743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087224.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 40133743 is about 6335.1198094432. The cubic root of 40133743 is about 342.3759274963.

Adding to 40133743 its reverse (34733104), we get a palindrome (74866847).

The spelling of 40133743 in words is "forty million, one hundred thirty-three thousand, seven hundred forty-three".