402142303432 has 16 divisors (see below), whose sum is σ = 754074316800. Its totient is φ = 201055818960.

The previous prime is 402142303417. The next prime is 402142303487. The reversal of 402142303432 is 234303241204.

It is a super-3 number, since 3×402142303432³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 402142303432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1804744 + ... + 2015287.

It is an arithmetic number, because the mean of its divisors is an integer number (47129644800).

Almost surely, 2^402142303432 is an apocalyptic number.

It is an amenable number.

402142303432 is a deficient number, since it is larger than the sum of its proper divisors (351932013368).

402142303432 is a wasteful number, since it uses less digits than its factorization.

402142303432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3833196 (or 3833192 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 402142303432 its reverse (234303241204), we get a palindrome (636445544636).

The spelling of 402142303432 in words is "four hundred two billion, one hundred forty-two million, three hundred three thousand, four hundred thirty-two".