4040340407404 has 24 divisors (see below), whose sum is σ = 8080742405120. Its totient is φ = 1731561262416.

The previous prime is 4040340407353. The next prime is 4040340407407. The reversal of 4040340407404 is 4047040430404.

It is a self number, because there is not a number n which added to its sum of digits gives 4040340407404.

It is not an unprimeable number, because it can be changed into a prime (4040340407407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3790267 + ... + 4737805.

Almost surely, 2^{4040340407404} is an apocalyptic number.

It is an amenable number.

4040340407404 is an abundant number, since it is smaller than the sum of its proper divisors (4040401997716).

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

4040340407404 is a wasteful number, since it uses less digits than its factorization.

4040340407404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099837 (or 1099835 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 34.

Adding to 4040340407404 its reverse (4047040430404), we get a palindrome (8087380837808).

The spelling of 4040340407404 in words is "four trillion, forty billion, three hundred forty million, four hundred seven thousand, four hundred four".