402144334004 has 12 divisors (see below), whose sum is σ = 804288668064. Its totient is φ = 172347571704.

The previous prime is 402144333991. The next prime is 402144334091. The reversal of 402144334004 is 400433441204.

It is a happy number.

402144334004 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7181148794 + ... + 7181148849.

It is an arithmetic number, because the mean of its divisors is an integer number (67024055672).

Almost surely, 2^402144334004 is an apocalyptic number.

It is an amenable number.

402144334004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

402144334004 is a wasteful number, since it uses less digits than its factorization.

402144334004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14362297654 (or 14362297652 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 402144334004 its reverse (400433441204), we get a palindrome (802577775208).

The spelling of 402144334004 in words is "four hundred two billion, one hundred forty-four million, three hundred thirty-four thousand, four".