4040004401 has 4 divisors (see below), whose sum is σ = 4041368100. Its totient is φ = 4038640704.

The previous prime is 4040004379. The next prime is 4040004431. The reversal of 4040004401 is 1044000404.

4040004401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1751338801 + 2288665600 = 41849^2 + 47840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4040004401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4040004401.

It is not an unprimeable number, because it can be changed into a prime (4040004431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677396 + ... + 683333.

It is an arithmetic number, because the mean of its divisors is an integer number (1010342025).

Almost surely, 2^4040004401 is an apocalyptic number.

It is an amenable number.

4040004401 is a deficient number, since it is larger than the sum of its proper divisors (1363699).

4040004401 is a wasteful number, since it uses less digits than its factorization.

4040004401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363698.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 4040004401 is about 63561.0289485625. The cubic root of 4040004401 is about 1592.6754266878.

Adding to 4040004401 its reverse (1044000404), we get a palindrome (5084004805).

The spelling of 4040004401 in words is "four billion, forty million, four thousand, four hundred one".