40132331 has 4 divisors (see below), whose sum is σ = 40812600. Its totient is φ = 39452064.

The previous prime is 40132303. The next prime is 40132343. The reversal of 40132331 is 13323104.

It is a happy number.

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 40132331 - 2¹⁰ = 40131307 is a prime.

It is a super-2 number, since 2×40132331² = 3221207982987122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40132361) 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, 340046 + ... + 340163.

It is an arithmetic number, because the mean of its divisors is an integer number (10203150).

Almost surely, 2^40132331 is an apocalyptic number.

40132331 is a deficient number, since it is larger than the sum of its proper divisors (680269).

40132331 is an equidigital number, since it uses as much as digits as its factorization.

40132331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680268.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 40132331 is about 6335.0083662139. The cubic root of 40132331 is about 342.3719122509.

Adding to 40132331 its reverse (13323104), we get a palindrome (53455435).

The spelling of 40132331 in words is "forty million, one hundred thirty-two thousand, three hundred thirty-one".