4040040444 has 36 divisors (see below), whose sum is σ = 10361650152. Its totient is φ = 1224254240.

The previous prime is 4040040443. The next prime is 4040040449. The reversal of 4040040444 is 4440400404.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040040443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1389747 + ... + 1392650.

Almost surely, 2^4040040444 is an apocalyptic number.

4040040444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4040040444 is an abundant number, since it is smaller than the sum of its proper divisors (6321609708).

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

4040040444 is a wasteful number, since it uses less digits than its factorization.

4040040444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782426 (or 2782413 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 4040040444 is about 63561.3124785824. The cubic root of 4040040444 is about 1592.6801630383.

Adding to 4040040444 its reverse (4440400404), we get a palindrome (8480440848).

The spelling of 4040040444 in words is "four billion, forty million, forty thousand, four hundred forty-four".