630568180 has 48 divisors (see below), whose sum is σ = 1451165184. Its totient is φ = 228251520.

The previous prime is 630568177. The next prime is 630568193. The reversal of 630568180 is 81865036.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42634 + ... + 55486.

It is an arithmetic number, because the mean of its divisors is an integer number (30232608).

Almost surely, 2^630568180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630568180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725582592).

630568180 is an abundant number, since it is smaller than the sum of its proper divisors (820597004).

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

630568180 is a wasteful number, since it uses less digits than its factorization.

630568180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13096 (or 13094 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 630568180 is about 25111.1166617496. The cubic root of 630568180 is about 857.5195245833.

The spelling of 630568180 in words is "six hundred thirty million, five hundred sixty-eight thousand, one hundred eighty".