3040042340 has 24 divisors (see below), whose sum is σ = 6759624312. Its totient is φ = 1144486400.

The previous prime is 3040042321. The next prime is 3040042361. The reversal of 3040042340 is 432400403.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 114746944 + 2925295396 = 10712^2 + 54086^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4470311 + ... + 4470990.

It is an arithmetic number, because the mean of its divisors is an integer number (281651013).

Almost surely, 2^3040042340 is an apocalyptic number.

It is an amenable number.

3040042340 is an abundant number, since it is smaller than the sum of its proper divisors (3719581972).

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

3040042340 is a wasteful number, since it uses less digits than its factorization.

3040042340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8941327 (or 8941325 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 3040042340 is about 55136.5789653294. The cubic root of 3040042340 is about 1448.6380139914.

Adding to 3040042340 its reverse (432400403), we get a palindrome (3472442743).

The spelling of 3040042340 in words is "three billion, forty million, forty-two thousand, three hundred forty".