402144443322 has 16 divisors (see below), whose sum is σ = 839257968960. Its totient is φ = 128219967392.

The previous prime is 402144443303. The next prime is 402144443339. The reversal of 402144443322 is 223344441204.

It is a super-2 number, since 2×402144443322² (a number of 24 digits) contains 22 as substring.

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, 1457044947 + ... + 1457045222.

It is an arithmetic number, because the mean of its divisors is an integer number (52453623060).

Almost surely, 2^402144443322 is an apocalyptic number.

402144443322 is an abundant number, since it is smaller than the sum of its proper divisors (437113525638).

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

402144443322 is a wasteful number, since it uses less digits than its factorization.

402144443322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2914090197.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 402144443322 its reverse (223344441204), we get a palindrome (625488884526).

The spelling of 402144443322 in words is "four hundred two billion, one hundred forty-four million, four hundred forty-three thousand, three hundred twenty-two".