630134340 has 96 divisors (see below), whose sum is σ = 1948133376. Its totient is φ = 150906240.

The previous prime is 630134339. The next prime is 630134347. The reversal of 630134340 is 43431036.

It is a self number, because there is not a number n which added to its sum of digits gives 630134340.

It is not an unprimeable number, because it can be changed into a prime (630134347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49029 + ... + 60531.

It is an arithmetic number, because the mean of its divisors is an integer number (20293056).

Almost surely, 2^630134340 is an apocalyptic number.

630134340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630134340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974066688).

630134340 is an abundant number, since it is smaller than the sum of its proper divisors (1317999036).

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

630134340 is a wasteful number, since it uses less digits than its factorization.

630134340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11609 (or 11607 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 630134340 is about 25102.4767702313. The cubic root of 630134340 is about 857.3228175315.

Adding to 630134340 its reverse (43431036), we get a palindrome (673565376).

The spelling of 630134340 in words is "six hundred thirty million, one hundred thirty-four thousand, three hundred forty".