40234133 has 4 divisors (see below), whose sum is σ = 41321580. Its totient is φ = 39146688.

The previous prime is 40234127. The next prime is 40234151. The reversal of 40234133 is 33143204.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35916049 + 4318084 = 5993^2 + 2078^2 .

It is a cyclic number.

It is not a de Polignac number, because 40234133 - 2⁶ = 40234069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40234163) 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, 543668 + ... + 543741.

It is an arithmetic number, because the mean of its divisors is an integer number (10330395).

Almost surely, 2^40234133 is an apocalyptic number.

It is an amenable number.

40234133 is a deficient number, since it is larger than the sum of its proper divisors (1087447).

40234133 is a wasteful number, since it uses less digits than its factorization.

40234133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087446.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 40234133 is about 6343.0381521791. The cubic root of 40234133 is about 342.6611613010.

Adding to 40234133 its reverse (33143204), we get a palindrome (73377337).

The spelling of 40234133 in words is "forty million, two hundred thirty-four thousand, one hundred thirty-three".