2840040404 has 24 divisors (see below), whose sum is σ = 5071435488. Its totient is φ = 1391139360.

The previous prime is 2840040373. The next prime is 2840040407. The reversal of 2840040404 is 4040400482.

2840040404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2840040404 is a modest number, since divided by 40404 gives 2840 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2840040407) 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, 136799 + ... + 156185.

It is an arithmetic number, because the mean of its divisors is an integer number (211309812).

Almost surely, 2^2840040404 is an apocalyptic number.

It is an amenable number.

2840040404 is a deficient number, since it is larger than the sum of its proper divisors (2231395084).

2840040404 is a wasteful number, since it uses less digits than its factorization.

2840040404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20135 (or 20133 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 2840040404 is about 53292.0294603236. The cubic root of 2840040404 is about 1416.1464658789.

Adding to 2840040404 its reverse (4040400482), we get a palindrome (6880440886).

The spelling of 2840040404 in words is "two billion, eight hundred forty million, forty thousand, four hundred four".