402000402224 has 20 divisors (see below), whose sum is σ = 779974356720. Its totient is φ = 200716697280.

The previous prime is 402000402191. The next prime is 402000402239. The reversal of 402000402224 is 422204000204.

It is a junction number, because it is equal to n+sod(n) for n = 402000402196 and 402000402205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17707292 + ... + 17729979.

It is an arithmetic number, because the mean of its divisors is an integer number (38998717836).

Almost surely, 2^402000402224 is an apocalyptic number.

It is an amenable number.

402000402224 is a deficient number, since it is larger than the sum of its proper divisors (377973954496).

402000402224 is a wasteful number, since it uses less digits than its factorization.

402000402224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35437988 (or 35437982 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 402000402224 its reverse (422204000204), we get a palindrome (824204402428).

The spelling of 402000402224 in words is "four hundred two billion, four hundred two thousand, two hundred twenty-four".