402246330142 has 16 divisors (see below), whose sum is σ = 611044136640. Its totient is φ = 198565260192.

The previous prime is 402246330133. The next prime is 402246330287. The reversal of 402246330142 is 241033642204.

It is a super-2 number, since 2×402246330142² (a number of 24 digits) contains 22 as substring.

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, 2898328 + ... + 3033940.

It is an arithmetic number, because the mean of its divisors is an integer number (38190258540).

Almost surely, 2^402246330142 is an apocalyptic number.

402246330142 is a deficient number, since it is larger than the sum of its proper divisors (208797806498).

402246330142 is a wasteful number, since it uses less digits than its factorization.

402246330142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154467.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 402246330142 its reverse (241033642204), we get a palindrome (643279972346).

The spelling of 402246330142 in words is "four hundred two billion, two hundred forty-six million, three hundred thirty thousand, one hundred forty-two".