402113443244 has 6 divisors (see below), whose sum is σ = 703698525684. Its totient is φ = 201056721620.

The previous prime is 402113443223. The next prime is 402113443253. The reversal of 402113443244 is 442344311204.

It is a self number, because there is not a number n which added to its sum of digits gives 402113443244.

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 as a sum of consecutive naturals, namely, 50264180402 + ... + 50264180409.

It is an arithmetic number, because the mean of its divisors is an integer number (117283087614).

Almost surely, 2^402113443244 is an apocalyptic number.

It is an amenable number.

402113443244 is a deficient number, since it is larger than the sum of its proper divisors (301585082440).

402113443244 is a wasteful number, since it uses less digits than its factorization.

402113443244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100528360815 (or 100528360813 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 402113443244 its reverse (442344311204), we get a palindrome (844457754448).

The spelling of 402113443244 in words is "four hundred two billion, one hundred thirteen million, four hundred forty-three thousand, two hundred forty-four".