402434431101 has 6 divisors (see below), whose sum is σ = 581294178270. Its totient is φ = 268289620728.

The previous prime is 402434431079. The next prime is 402434431103. The reversal of 402434431101 is 101134434204.

402434431101 is a `hidden beast` number, since 4 + 0 + 2 + 4 + 344 + 311 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 203608512900 + 198825918201 = 451230^2 + 445899^2 .

It is not a de Polignac number, because 402434431101 - 2⁷ = 402434430973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402434431103) 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 5 ways as a sum of consecutive naturals, for example, 22357468386 + ... + 22357468403.

It is an arithmetic number, because the mean of its divisors is an integer number (96882363045).

Almost surely, 2^402434431101 is an apocalyptic number.

It is an amenable number.

402434431101 is a deficient number, since it is larger than the sum of its proper divisors (178859747169).

402434431101 is a wasteful number, since it uses less digits than its factorization.

402434431101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44714936795 (or 44714936792 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 402434431101 its reverse (101134434204), we get a palindrome (503568865305).

The spelling of 402434431101 in words is "four hundred two billion, four hundred thirty-four million, four hundred thirty-one thousand, one hundred one".