3040400039 has 2 divisors, whose sum is σ = 3040400040. Its totient is φ = 3040400038.

The previous prime is 3040400017. The next prime is 3040400047. The reversal of 3040400039 is 9300040403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3040400039 - 2⁸ = 3040399783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3040399987 and 3040400023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3040400009) 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 as a sum of consecutive naturals, namely, 1520200019 + 1520200020.

It is an arithmetic number, because the mean of its divisors is an integer number (1520200020).

Almost surely, 2^3040400039 is an apocalyptic number.

3040400039 is a deficient number, since it is larger than the sum of its proper divisors (1).

3040400039 is an equidigital number, since it uses as much as digits as its factorization.

3040400039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 3040400039 is about 55139.8226239439. The cubic root of 3040400039 is about 1448.6948285562.

The spelling of 3040400039 in words is "three billion, forty million, four hundred thousand, thirty-nine".