4404400002 has 16 divisors (see below), whose sum is σ = 9787555680. Its totient is φ = 1468133316.

The previous prime is 4404399977. The next prime is 4404400097. The reversal of 4404400002 is 2000044044.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40781428 + ... + 40781535.

It is an arithmetic number, because the mean of its divisors is an integer number (611722230).

Almost surely, 2^4404400002 is an apocalyptic number.

4404400002 is an abundant number, since it is smaller than the sum of its proper divisors (5383155678).

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

4404400002 is a wasteful number, since it uses less digits than its factorization.

4404400002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81562974 (or 81562968 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4404400002 is about 66365.6537826608. The cubic root of 4404400002 is about 1639.1885736595.

Adding to 4404400002 its reverse (2000044044), we get a palindrome (6404444046).

The spelling of 4404400002 in words is "four billion, four hundred four million, four hundred thousand, two".