3040400043 has 20 divisors (see below), whose sum is σ = 4569716008. Its totient is φ = 2014489440.

The previous prime is 3040400039. The next prime is 3040400047. The reversal of 3040400043 is 3400040403.

It is an interprime number because it is at equal distance from previous prime (3040400039) and next prime (3040400047).

It is not a de Polignac number, because 3040400043 - 2² = 3040400039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3040399989 and 3040400025.

It is not an unprimeable number, because it can be changed into a prime (3040400047) 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 19 ways as a sum of consecutive naturals, for example, 101938 + ... + 128343.

Almost surely, 2^3040400043 is an apocalyptic number.

3040400043 is a deficient number, since it is larger than the sum of its proper divisors (1529315965).

3040400043 is a wasteful number, since it uses less digits than its factorization.

3040400043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230456 (or 230447 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 3040400043 is about 55139.8226602154. The cubic root of 3040400043 is about 1448.6948291915.

Adding to 3040400043 its reverse (3400040403), we get a palindrome (6440440446).

The spelling of 3040400043 in words is "three billion, forty million, four hundred thousand, forty-three".