402142433012 has 24 divisors (see below), whose sum is σ = 747724670280. Its totient is φ = 189243488640.

The previous prime is 402142433003. The next prime is 402142433027. The reversal of 402142433012 is 210334241204.

It can be written as a sum of positive squares in 4 ways, for example, as 33710428816 + 368432004196 = 183604^2 + 606986^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10211939 + ... + 10251242.

It is an arithmetic number, because the mean of its divisors is an integer number (31155194595).

Almost surely, 2^402142433012 is an apocalyptic number.

It is an amenable number.

402142433012 is a deficient number, since it is larger than the sum of its proper divisors (345582237268).

402142433012 is a wasteful number, since it uses less digits than its factorization.

402142433012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20463236 (or 20463200 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 402142433012 its reverse (210334241204), we get a palindrome (612476674216).

The spelling of 402142433012 in words is "four hundred two billion, one hundred forty-two million, four hundred thirty-three thousand, twelve".