4040312340 has 24 divisors (see below), whose sum is σ = 11312874720. Its totient is φ = 1077416608.

The previous prime is 4040312317. The next prime is 4040312351. The reversal of 4040312340 is 432130404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33669210 + ... + 33669329.

It is an arithmetic number, because the mean of its divisors is an integer number (471369780).

Almost surely, 2^4040312340 is an apocalyptic number.

It is an amenable number.

4040312340 is an abundant number, since it is smaller than the sum of its proper divisors (7272562380).

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

4040312340 is a wasteful number, since it uses less digits than its factorization.

4040312340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67338551 (or 67338549 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4040312340 is about 63563.4512908165. The cubic root of 4040312340 is about 1592.7158915297.

Adding to 4040312340 its reverse (432130404), we get a palindrome (4472442744).

The spelling of 4040312340 in words is "four billion, forty million, three hundred twelve thousand, three hundred forty".