630142220042 has 32 divisors (see below), whose sum is σ = 962933702400. Its totient is φ = 309213785088.

The previous prime is 630142220041. The next prime is 630142220047. The reversal of 630142220042 is 240022241036.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 630142219993 and 630142220020.

It is not an unprimeable number, because it can be changed into a prime (630142220041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127634198 + ... + 127639134.

It is an arithmetic number, because the mean of its divisors is an integer number (30091678200).

Almost surely, 2^630142220042 is an apocalyptic number.

630142220042 is a deficient number, since it is larger than the sum of its proper divisors (332791482358).

630142220042 is a wasteful number, since it uses less digits than its factorization.

630142220042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9710.

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

Adding to 630142220042 its reverse (240022241036), we get a palindrome (870164461078).

The spelling of 630142220042 in words is "six hundred thirty billion, one hundred forty-two million, two hundred twenty thousand, forty-two".