402443301404 has 24 divisors (see below), whose sum is σ = 705485681040. Its totient is φ = 200876068224.

The previous prime is 402443301347. The next prime is 402443301419. The reversal of 402443301404 is 404103344204.

It is a happy number.

It is a super-2 number, since 2×402443301404² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 26877632 + ... + 26892600.

It is an arithmetic number, because the mean of its divisors is an integer number (29395236710).

Almost surely, 2^402443301404 is an apocalyptic number.

It is an amenable number.

402443301404 is a deficient number, since it is larger than the sum of its proper divisors (303042379636).

402443301404 is a wasteful number, since it uses less digits than its factorization.

402443301404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26069 (or 26067 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 402443301404 its reverse (404103344204), we get a palindrome (806546645608).

The spelling of 402443301404 in words is "four hundred two billion, four hundred forty-three million, three hundred one thousand, four hundred four".