402144241422 has 32 divisors (see below), whose sum is σ = 1002749278464. Its totient is φ = 104453049600.

The previous prime is 402144241417. The next prime is 402144241427. The reversal of 402144241422 is 224142441204.

It is an interprime number because it is at equal distance from previous prime (402144241417) and next prime (402144241427).

It is a self number, because there is not a number n which added to its sum of digits gives 402144241422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402144241427) 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 15 ways as a sum of consecutive naturals, for example, 435220579 + ... + 435221502.

It is an arithmetic number, because the mean of its divisors is an integer number (31335914952).

Almost surely, 2^402144241422 is an apocalyptic number.

402144241422 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

402144241422 is an abundant number, since it is smaller than the sum of its proper divisors (600605037042).

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

402144241422 is a wasteful number, since it uses less digits than its factorization.

402144241422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870442104.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 402144241422 its reverse (224142441204), we get a palindrome (626286682626).

The spelling of 402144241422 in words is "four hundred two billion, one hundred forty-four million, two hundred forty-one thousand, four hundred twenty-two".