40052331 has 18 divisors (see below), whose sum is σ = 63592620. Its totient is φ = 24273480.

The previous prime is 40052317. The next prime is 40052339. The reversal of 40052331 is 13325004.

40052331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40052331 - 2¹⁰ = 40051307 is a prime.

It is a super-2 number, since 2×40052331² = 3208378437067122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40052339) 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 17 ways as a sum of consecutive naturals, for example, 17301 + ... + 19478.

Almost surely, 2^40052331 is an apocalyptic number.

40052331 is a deficient number, since it is larger than the sum of its proper divisors (23540289).

40052331 is a wasteful number, since it uses less digits than its factorization.

40052331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36807 (or 36793 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 40052331 is about 6328.6910969015. The cubic root of 40052331 is about 342.1442655954.

Adding to 40052331 its reverse (13325004), we get a palindrome (53377335).

It can be divided in two parts, 4005 and 2331, that added together give a palindrome (6336).

The spelling of 40052331 in words is "forty million, fifty-two thousand, three hundred thirty-one".