402143230024 has 16 divisors (see below), whose sum is σ = 772409253420. Its totient is φ = 196167429120.

The previous prime is 402143230009. The next prime is 402143230033. The reversal of 402143230024 is 420032341204.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 257233581124 + 144909648900 = 507182^2 + 380670^2 .

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, 613022889 + ... + 613023544.

Almost surely, 2^402143230024 is an apocalyptic number.

It is an amenable number.

402143230024 is a deficient number, since it is larger than the sum of its proper divisors (370266023396).

402143230024 is a wasteful number, since it uses less digits than its factorization.

402143230024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226046480 (or 1226046476 counting only the distinct ones).

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

Adding to 402143230024 its reverse (420032341204), we get a palindrome (822175571228).

The spelling of 402143230024 in words is "four hundred two billion, one hundred forty-three million, two hundred thirty thousand, twenty-four".