3040304240 has 20 divisors (see below), whose sum is σ = 7068707544. Its totient is φ = 1216121664.

The previous prime is 3040304237. The next prime is 3040304257. The reversal of 3040304240 is 424030403.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

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

It is a zygodrome in base 9.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 19001822 + ... + 19001981.

Almost surely, 2^3040304240 is an apocalyptic number.

It is an amenable number.

3040304240 is an abundant number, since it is smaller than the sum of its proper divisors (4028403304).

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

3040304240 is a wasteful number, since it uses less digits than its factorization.

3040304240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38003816 (or 38003810 counting only the distinct ones).

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

The square root of 3040304240 is about 55138.9539255144. The cubic root of 3040304240 is about 1448.6796129078.

Adding to 3040304240 its reverse (424030403), we get a palindrome (3464334643).

The spelling of 3040304240 in words is "three billion, forty million, three hundred four thousand, two hundred forty".