402144443324 has 24 divisors (see below), whose sum is σ = 768562085088. Its totient is φ = 182990969280.

The previous prime is 402144443303. The next prime is 402144443339. The reversal of 402144443324 is 423344441204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54457907 + ... + 54465290.

It is an arithmetic number, because the mean of its divisors is an integer number (32023420212).

Almost surely, 2^402144443324 is an apocalyptic number.

It is an amenable number.

402144443324 is a deficient number, since it is larger than the sum of its proper divisors (366417641764).

402144443324 is a wasteful number, since it uses less digits than its factorization.

402144443324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108923285 (or 108923283 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 402144443324 its reverse (423344441204), we get a palindrome (825488884528).

The spelling of 402144443324 in words is "four hundred two billion, one hundred forty-four million, four hundred forty-three thousand, three hundred twenty-four".