402243334142 has 32 divisors (see below), whose sum is σ = 672244483680. Its totient is φ = 179232842880.

The previous prime is 402243334133. The next prime is 402243334249. The reversal of 402243334142 is 241433342204.

It is a junction number, because it is equal to n+sod(n) for n = 402243334099 and 402243334108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13021988 + ... + 13052840.

It is an arithmetic number, because the mean of its divisors is an integer number (21007640115).

Almost surely, 2^402243334142 is an apocalyptic number.

402243334142 is a deficient number, since it is larger than the sum of its proper divisors (270001149538).

402243334142 is a wasteful number, since it uses less digits than its factorization.

402243334142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48188.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 402243334142 its reverse (241433342204), we get a palindrome (643676676346).

The spelling of 402243334142 in words is "four hundred two billion, two hundred forty-three million, three hundred thirty-four thousand, one hundred forty-two".