402344342101 has 8 divisors (see below), whose sum is σ = 433306626200. Its totient is φ = 371383875072.

The previous prime is 402344342069. The next prime is 402344342137. The reversal of 402344342101 is 101243443204.

It can be written as a sum of positive squares in 4 ways, for example, as 426381201 + 401917960900 = 20649^2 + 633970^2 .

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 402344342101 - 2⁵ = 402344342069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402344342101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402344345101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24301 + ... + 897373.

It is an arithmetic number, because the mean of its divisors is an integer number (54163328275).

Almost surely, 2^402344342101 is an apocalyptic number.

It is an amenable number.

402344342101 is a deficient number, since it is larger than the sum of its proper divisors (30962284099).

402344342101 is a wasteful number, since it uses less digits than its factorization.

402344342101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908535.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 402344342101 its reverse (101243443204), we get a palindrome (503587785305).

The spelling of 402344342101 in words is "four hundred two billion, three hundred forty-four million, three hundred forty-two thousand, one hundred one".