402144334112 has 24 divisors (see below), whose sum is σ = 793844259516. Its totient is φ = 200533093632.

The previous prime is 402144334099. The next prime is 402144334133. The reversal of 402144334112 is 211433441204.

It can be written as a sum of positive squares in 2 ways, for example, as 376696427536 + 25447906576 = 613756^2 + 159524^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16833923 + ... + 16857794.

Almost surely, 2^402144334112 is an apocalyptic number.

It is an amenable number.

402144334112 is a deficient number, since it is larger than the sum of its proper divisors (391699925404).

402144334112 is a wasteful number, since it uses less digits than its factorization.

402144334112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33692100 (or 33692092 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 402144334112 its reverse (211433441204), we get a palindrome (613577775316).

The spelling of 402144334112 in words is "four hundred two billion, one hundred forty-four million, three hundred thirty-four thousand, one hundred twelve".