402144420011 has 8 divisors (see below), whose sum is σ = 409017033600. Its totient is φ = 395327455488.

The previous prime is 402144419917. The next prime is 402144420017. The reversal of 402144420011 is 110024441204.

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 402144420011 - 2¹⁰ = 402144418987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402144420017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13897691 + ... + 13926596.

It is an arithmetic number, because the mean of its divisors is an integer number (51127129200).

Almost surely, 2^402144420011 is an apocalyptic number.

402144420011 is a deficient number, since it is larger than the sum of its proper divisors (6872613589).

402144420011 is a wasteful number, since it uses less digits than its factorization.

402144420011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27824533.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 402144420011 its reverse (110024441204), we get a palindrome (512168861215).

The spelling of 402144420011 in words is "four hundred two billion, one hundred forty-four million, four hundred twenty thousand, eleven".