402306066383 has 4 divisors (see below), whose sum is σ = 433252686888. Its totient is φ = 371359445880.

The previous prime is 402306066347. The next prime is 402306066433. The reversal of 402306066383 is 383660603204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402306066383 - 2⁶ = 402306066319 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 402306066383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402306066313) 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, 15473310233 + ... + 15473310258.

It is an arithmetic number, because the mean of its divisors is an integer number (108313171722).

Almost surely, 2^402306066383 is an apocalyptic number.

402306066383 is a deficient number, since it is larger than the sum of its proper divisors (30946620505).

402306066383 is a wasteful number, since it uses less digits than its factorization.

402306066383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30946620504.

The product of its (nonzero) digits is 373248, while the sum is 41.

Adding to 402306066383 its reverse (383660603204), we get a palindrome (785966669587).

The spelling of 402306066383 in words is "four hundred two billion, three hundred six million, sixty-six thousand, three hundred eighty-three".