3040340394 has 64 divisors (see below), whose sum is σ = 7686233856. Its totient is φ = 780171264.

The previous prime is 3040340393. The next prime is 3040340411. The reversal of 3040340394 is 4930430403.

It is a super-2 number, since 2×3040340394² = 18487339422776150472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3040340393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55047 + ... + 95450.

It is an arithmetic number, because the mean of its divisors is an integer number (120097404).

Almost surely, 2^3040340394 is an apocalyptic number.

3040340394 is an abundant number, since it is smaller than the sum of its proper divisors (4645893462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3040340394 is a wasteful number, since it uses less digits than its factorization.

3040340394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150559.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 3040340394 is about 55139.2817689893. The cubic root of 3040340394 is about 1448.6853552449.

Adding to 3040340394 its reverse (4930430403), we get a palindrome (7970770797).

The spelling of 3040340394 in words is "three billion, forty million, three hundred forty thousand, three hundred ninety-four".