40353133 has 4 divisors (see below), whose sum is σ = 40395168. Its totient is φ = 40311100.

The previous prime is 40353113. The next prime is 40353139. The reversal of 40353133 is 33135304.

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 a cyclic number.

It is not a de Polignac number, because 40353133 - 2⁵ = 40353101 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40353139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19543 + ... + 21508.

It is an arithmetic number, because the mean of its divisors is an integer number (10098792).

Almost surely, 2^40353133 is an apocalyptic number.

It is an amenable number.

40353133 is a deficient number, since it is larger than the sum of its proper divisors (42035).

40353133 is an equidigital number, since it uses as much as digits as its factorization.

40353133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42034.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 40353133 is about 6352.4115893100. The cubic root of 40353133 is about 342.9986570169.

Adding to 40353133 its reverse (33135304), we get a palindrome (73488437).

The spelling of 40353133 in words is "forty million, three hundred fifty-three thousand, one hundred thirty-three".