402142424312 has 16 divisors (see below), whose sum is σ = 765271032360. Its totient is φ = 198070149024.

The previous prime is 402142424293. The next prime is 402142424347. The reversal of 402142424312 is 213424241204.

It is a happy number.

It is a congruent number.

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, 375132323 + ... + 375133394.

Almost surely, 2^402142424312 is an apocalyptic number.

It is an amenable number.

402142424312 is a deficient number, since it is larger than the sum of its proper divisors (363128608048).

402142424312 is a wasteful number, since it uses less digits than its factorization.

402142424312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750265790 (or 750265786 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 402142424312 its reverse (213424241204), we get a palindrome (615566665516).

The spelling of 402142424312 in words is "four hundred two billion, one hundred forty-two million, four hundred twenty-four thousand, three hundred twelve".