402142331322 has 24 divisors (see below), whose sum is σ = 874621354464. Its totient is φ = 133537756104.

The previous prime is 402142331317. The next prime is 402142331333. The reversal of 402142331322 is 223133241204.

402142331322 is a `hidden beast` number, since 4 + 0 + 2 + 1 + 4 + 2 + 331 + 322 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42469108 + ... + 42478575.

It is an arithmetic number, because the mean of its divisors is an integer number (36442556436).

Almost surely, 2^402142331322 is an apocalyptic number.

402142331322 is an abundant number, since it is smaller than the sum of its proper divisors (472479023142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402142331322 is a wasteful number, since it uses less digits than its factorization.

402142331322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84947954 (or 84947951 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 402142331322 its reverse (223133241204), we get a palindrome (625275572526).

The spelling of 402142331322 in words is "four hundred two billion, one hundred forty-two million, three hundred thirty-one thousand, three hundred twenty-two".