2440343403 has 8 divisors (see below), whose sum is σ = 3615323600. Its totient is φ = 1626895584.

The previous prime is 2440343383. The next prime is 2440343407. The reversal of 2440343403 is 3043430442.

It is not a de Polignac number, because 2440343403 - 2¹⁰ = 2440342379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 90383089 = 2440343403 / (2 + 4 + 4 + 0 + 3 + 4 + 3 + 4 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2440343407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45191518 + ... + 45191571.

It is an arithmetic number, because the mean of its divisors is an integer number (451915450).

Almost surely, 2^2440343403 is an apocalyptic number.

2440343403 is a deficient number, since it is larger than the sum of its proper divisors (1174980197).

2440343403 is an equidigital number, since it uses as much as digits as its factorization.

2440343403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90383098 (or 90383092 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 2440343403 is about 49399.8320138844. The cubic root of 2440343403 is about 1346.3262537018.

Adding to 2440343403 its reverse (3043430442), we get a palindrome (5483773845).

The spelling of 2440343403 in words is "two billion, four hundred forty million, three hundred forty-three thousand, four hundred three".