2440342331 has 8 divisors (see below), whose sum is σ = 2827168224. Its totient is φ = 2063067840.

The previous prime is 2440342313. The next prime is 2440342337. The reversal of 2440342331 is 1332430442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2440342331 - 2¹⁰ = 2440341307 is a prime.

It is a super-2 number, since 2×2440342331² = 11910541384941027122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2440342331.

It is not an unprimeable number, because it can be changed into a prime (2440342337) 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 7 ways as a sum of consecutive naturals, for example, 2387300 + ... + 2388321.

It is an arithmetic number, because the mean of its divisors is an integer number (353396028).

Almost surely, 2^2440342331 is an apocalyptic number.

2440342331 is a deficient number, since it is larger than the sum of its proper divisors (386825893).

2440342331 is an equidigital number, since it uses as much as digits as its factorization.

2440342331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775701.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 2440342331 is about 49399.8211636439. The cubic root of 2440342331 is about 1346.3260565626.

Adding to 2440342331 its reverse (1332430442), we get a palindrome (3772772773).

The spelling of 2440342331 in words is "two billion, four hundred forty million, three hundred forty-two thousand, three hundred thirty-one".