402144232304 has 20 divisors (see below), whose sum is σ = 781210278360. Its totient is φ = 200541579840.

The previous prime is 402144232211. The next prime is 402144232327. The reversal of 402144232304 is 403232441204.

It is a congruent number.

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, 33152267 + ... + 33164394.

It is an arithmetic number, because the mean of its divisors is an integer number (39060513918).

Almost surely, 2^402144232304 is an apocalyptic number.

It is an amenable number.

402144232304 is a deficient number, since it is larger than the sum of its proper divisors (379066046056).

402144232304 is a wasteful number, since it uses less digits than its factorization.

402144232304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66317048 (or 66317042 counting only the distinct ones).

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

Adding to 402144232304 its reverse (403232441204), we get a palindrome (805376673508).

The spelling of 402144232304 in words is "four hundred two billion, one hundred forty-four million, two hundred thirty-two thousand, three hundred four".