402144442113 has 8 divisors (see below), whose sum is σ = 538554672288. Its totient is φ = 266915253344.

The previous prime is 402144442093. The next prime is 402144442121. The reversal of 402144442113 is 311244441204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402144442113 - 2⁵ = 402144442081 is a prime.

It is a super-3 number, since 3×402144442113³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (402144441113) 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 7 ways as a sum of consecutive naturals, for example, 295259556 + ... + 295260917.

It is an arithmetic number, because the mean of its divisors is an integer number (67319334036).

Almost surely, 2^402144442113 is an apocalyptic number.

It is an amenable number.

402144442113 is a deficient number, since it is larger than the sum of its proper divisors (136410230175).

402144442113 is a wasteful number, since it uses less digits than its factorization.

402144442113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590520703.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 402144442113 its reverse (311244441204), we get a palindrome (713388883317).

Subtracting from 402144442113 its reverse (311244441204), we obtain a palindrome (90900000909).

The spelling of 402144442113 in words is "four hundred two billion, one hundred forty-four million, four hundred forty-two thousand, one hundred thirteen".