2440131 has 4 divisors (see below), whose sum is σ = 3253512. Its totient is φ = 1626752.

The previous prime is 2440127. The next prime is 2440153. The reversal of 2440131 is 1310442.

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 2440131 - 2² = 2440127 is a prime.

It is a super-2 number, since 2×2440131² = 11908478594322, which contains 22 as substring.

It is a D-number.

2440131 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2440131.

It is not an unprimeable number, because it can be changed into a prime (2440111) 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, 406686 + ... + 406691.

It is an arithmetic number, because the mean of its divisors is an integer number (813378).

2^2440131 is an apocalyptic number.

2440131 is a deficient number, since it is larger than the sum of its proper divisors (813381).

2440131 is an equidigital number, since it uses as much as digits as its factorization.

2440131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813380.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2440131 is about 1562.0918666967. The cubic root of 2440131 is about 134.6287191982.

Adding to 2440131 its reverse (1310442), we get a palindrome (3750573).

The spelling of 2440131 in words is "two million, four hundred forty thousand, one hundred thirty-one".