402384002170 has 8 divisors (see below), whose sum is σ = 724291203924. Its totient is φ = 160953600864.

The previous prime is 402384002161. The next prime is 402384002171. The reversal of 402384002170 is 71200483204.

It can be written as a sum of positive squares in 2 ways, for example, as 381542171481 + 20841830689 = 617691^2 + 144367^2 .

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

It is not an unprimeable number, because it can be changed into a prime (402384002171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20119200099 + ... + 20119200118.

Almost surely, 2^402384002170 is an apocalyptic number.

402384002170 is a deficient number, since it is larger than the sum of its proper divisors (321907201754).

402384002170 is a wasteful number, since it uses less digits than its factorization.

402384002170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40238400224.

The product of its (nonzero) digits is 10752, while the sum is 31.

Adding to 402384002170 its reverse (71200483204), we get a palindrome (473584485374).

The spelling of 402384002170 in words is "four hundred two billion, three hundred eighty-four million, two thousand, one hundred seventy".