4040040404 has 48 divisors (see below), whose sum is σ = 7508852736. Its totient is φ = 1898920800.

The previous prime is 4040040401. The next prime is 4040040427. The reversal of 4040040404 is 4040400404.

4040040404 is a modest number, since divided by 40404 gives 4040 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040040401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1016429 + ... + 1020395.

It is an arithmetic number, because the mean of its divisors is an integer number (156434432).

Almost surely, 2^4040040404 is an apocalyptic number.

It is an amenable number.

4040040404 is a deficient number, since it is larger than the sum of its proper divisors (3468812332).

4040040404 is a wasteful number, since it uses less digits than its factorization.

4040040404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236 (or 4234 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4040040404 is about 63561.3121639256. The cubic root of 4040040404 is about 1592.6801577819.

Adding to 4040040404 its reverse (4040400404), we get a palindrome (8080440808).

Subtracting 4040040404 from its reverse (4040400404), we obtain a square (360000 = 600²).

The spelling of 4040040404 in words is "four billion, forty million, forty thousand, four hundred four".