3040440613 has 4 divisors (see below), whose sum is σ = 3474789280. Its totient is φ = 2606091948.

The previous prime is 3040440607. The next prime is 3040440619. The reversal of 3040440613 is 3160440403.

It is a happy number.

3040440613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3040440607) and next prime (3040440619).

It is a cyclic number.

It is not a de Polignac number, because 3040440613 - 2²¹ = 3038343461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040440619) 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, 217174323 + ... + 217174336.

It is an arithmetic number, because the mean of its divisors is an integer number (868697320).

Almost surely, 2^3040440613 is an apocalyptic number.

It is an amenable number.

3040440613 is a deficient number, since it is larger than the sum of its proper divisors (434348667).

3040440613 is an equidigital number, since it uses as much as digits as its factorization.

3040440613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434348666.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 3040440613 is about 55140.1905419269. The cubic root of 3040440613 is about 1448.7012727830.

It can be divided in two parts, 30404 and 40613, that added together give a palindrome (71017).

The spelling of 3040440613 in words is "three billion, forty million, four hundred forty thousand, six hundred thirteen".