402144410112 has 160 divisors (see below), whose sum is σ = 1160741368512. Its totient is φ = 123228585984.

The previous prime is 402144410053. The next prime is 402144410113. The reversal of 402144410112 is 211014441204.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (402144410113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 943738 + ... + 1301894.

Almost surely, 2^402144410112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402144410112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580370684256).

402144410112 is an abundant number, since it is smaller than the sum of its proper divisors (758596958400).

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

402144410112 is a wasteful number, since it uses less digits than its factorization.

402144410112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358238 (or 358222 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 402144410112 its reverse (211014441204), we get a palindrome (613158851316).

The spelling of 402144410112 in words is "four hundred two billion, one hundred forty-four million, four hundred ten thousand, one hundred twelve".