42051210630 has 128 divisors (see below), whose sum is σ = 118656437760. Its totient is φ = 9402946560.

The previous prime is 42051210599. The next prime is 42051210631. The reversal of 42051210630 is 3601215024.

It is a self number, because there is not a number n which added to its sum of digits gives 42051210630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42051210631) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 7388826 + ... + 7394514.

It is an arithmetic number, because the mean of its divisors is an integer number (927003420).

Almost surely, 2^42051210630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42051210630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59328218880).

42051210630 is an abundant number, since it is smaller than the sum of its proper divisors (76605227130).

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

42051210630 is a wasteful number, since it uses less digits than its factorization.

42051210630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7446.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 42051210630 its reverse (3601215024), we get a palindrome (45652425654).

The spelling of 42051210630 in words is "forty-two billion, fifty-one million, two hundred ten thousand, six hundred thirty".