402144340129 has 8 divisors (see below), whose sum is σ = 459628980800. Its totient is φ = 344668561776.

The previous prime is 402144340097. The next prime is 402144340141. The reversal of 402144340129 is 921043441204.

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

It is not a de Polignac number, because 402144340129 - 2⁵ = 402144340097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402144340094 and 402144340103.

It is not an unprimeable number, because it can be changed into a prime (402144340159) 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, 2118054 + ... + 2300095.

It is an arithmetic number, because the mean of its divisors is an integer number (57453622600).

Almost surely, 2^402144340129 is an apocalyptic number.

It is an amenable number.

402144340129 is a deficient number, since it is larger than the sum of its proper divisors (57484640671).

402144340129 is a wasteful number, since it uses less digits than its factorization.

402144340129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431159.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 402144340129 in words is "four hundred two billion, one hundred forty-four million, three hundred forty thousand, one hundred twenty-nine".