402143040304 has 80 divisors (see below), whose sum is σ = 803608565760. Its totient is φ = 194840190720.

The previous prime is 402143040263. The next prime is 402143040307. The reversal of 402143040304 is 403040341204.

It is not an unprimeable number, because it can be changed into a prime (402143040307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51113779 + ... + 51121645.

It is an arithmetic number, because the mean of its divisors is an integer number (10045107072).

Almost surely, 2^402143040304 is an apocalyptic number.

It is an amenable number.

402143040304 is a deficient number, since it is larger than the sum of its proper divisors (401465525456).

402143040304 is a wasteful number, since it uses less digits than its factorization.

402143040304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8498 (or 8492 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 402143040304 its reverse (403040341204), we get a palindrome (805183381508).

The spelling of 402143040304 in words is "four hundred two billion, one hundred forty-three million, forty thousand, three hundred four".