8400404444 has 6 divisors (see below), whose sum is σ = 14700707784. Its totient is φ = 4200202220.

The previous prime is 8400404443. The next prime is 8400404447. The reversal of 8400404444 is 4444040048.

It is a self number, because there is not a number n which added to its sum of digits gives 8400404444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8400404443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050050552 + ... + 1050050559.

It is an arithmetic number, because the mean of its divisors is an integer number (2450117964).

Almost surely, 2^8400404444 is an apocalyptic number.

It is an amenable number.

8400404444 is a deficient number, since it is larger than the sum of its proper divisors (6300303340).

8400404444 is a wasteful number, since it uses less digits than its factorization.

8400404444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100101115 (or 2100101113 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

The square root of 8400404444 is about 91653.7202954686. The cubic root of 8400404444 is about 2032.8253381385.

The spelling of 8400404444 in words is "eight billion, four hundred million, four hundred four thousand, four hundred forty-four".