402144444304 has 20 divisors (see below), whose sum is σ = 779218470576. Its totient is φ = 201055806752.

The previous prime is 402144444301. The next prime is 402144444341. The reversal of 402144444304 is 403444441204.

It is a self number, because there is not a number n which added to its sum of digits gives 402144444304.

It is not an unprimeable number, because it can be changed into a prime (402144444301) 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, 822634 + ... + 1216969.

Almost surely, 2^402144444304 is an apocalyptic number.

It is an amenable number.

402144444304 is a deficient number, since it is larger than the sum of its proper divisors (377074026272).

402144444304 is a wasteful number, since it uses less digits than its factorization.

402144444304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051934 (or 2051928 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 402144444304 its reverse (403444441204), we get a palindrome (805588885508).

The spelling of 402144444304 in words is "four hundred two billion, one hundred forty-four million, four hundred forty-four thousand, three hundred four".