402234214244 has 12 divisors (see below), whose sum is σ = 745316338284. Its totient is φ = 189286689024.

The previous prime is 402234214243. The next prime is 402234214253. The reversal of 402234214244 is 442412432204.

It can be written as a sum of positive squares in 2 ways, for example, as 340750052644 + 61484161600 = 583738^2 + 247960^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 402234214244.

It is not an unprimeable number, because it can be changed into a prime (402234214243) by changing a digit.

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, 2957604449 + ... + 2957604584.

It is an arithmetic number, because the mean of its divisors is an integer number (62109694857).

Almost surely, 2^402234214244 is an apocalyptic number.

It is an amenable number.

402234214244 is a deficient number, since it is larger than the sum of its proper divisors (343082124040).

402234214244 is a wasteful number, since it uses less digits than its factorization.

402234214244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915209054 (or 5915209052 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 402234214244 its reverse (442412432204), we get a palindrome (844646646448).

The spelling of 402234214244 in words is "four hundred two billion, two hundred thirty-four million, two hundred fourteen thousand, two hundred forty-four".