4004040444 has 48 divisors (see below), whose sum is σ = 9455846400. Its totient is φ = 1318597056.

The previous prime is 4004040421. The next prime is 4004040451. The reversal of 4004040444 is 4440404004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465309 + ... + 473835.

It is an arithmetic number, because the mean of its divisors is an integer number (196996800).

Almost surely, 2^4004040444 is an apocalyptic number.

It is an amenable number.

4004040444 is an abundant number, since it is smaller than the sum of its proper divisors (5451805956).

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

4004040444 is a wasteful number, since it uses less digits than its factorization.

4004040444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9002 (or 9000 counting only the distinct ones).

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

The square root of 4004040444 is about 63277.4876555636. The cubic root of 4004040444 is about 1587.9353558611.

Adding to 4004040444 its reverse (4440404004), we get a palindrome (8444444448).

The spelling of 4004040444 in words is "four billion, four million, forty thousand, four hundred forty-four".