630176140 has 48 divisors (see below), whose sum is σ = 1456509600. Its totient is φ = 227118080.

The previous prime is 630176039. The next prime is 630176147. The reversal of 630176140 is 41671036.

It is a junction number, because it is equal to n+sod(n) for n = 630176099 and 630176108.

It is not an unprimeable number, because it can be changed into a prime (630176147) 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, 12186 + ... + 37534.

It is an arithmetic number, because the mean of its divisors is an integer number (30343950).

Almost surely, 2^630176140 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 630176140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (728254800).

630176140 is an abundant number, since it is smaller than the sum of its proper divisors (826333460).

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

630176140 is a wasteful number, since it uses less digits than its factorization.

630176140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25482 (or 25480 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 630176140 is about 25103.3093435905. The cubic root of 630176140 is about 857.3417739662.

The spelling of 630176140 in words is "six hundred thirty million, one hundred seventy-six thousand, one hundred forty".