630180930 has 32 divisors (see below), whose sum is σ = 1514318400. Its totient is φ = 167838912.

The previous prime is 630180911. The next prime is 630180937. The reversal of 630180930 is 39081036.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (630180937) 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, 12201 + ... + 37539.

It is an arithmetic number, because the mean of its divisors is an integer number (47322450).

Almost surely, 2^630180930 is an apocalyptic number.

630180930 is an abundant number, since it is smaller than the sum of its proper divisors (884137470).

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

630180930 is a wasteful number, since it uses less digits than its factorization.

630180930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26178.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 630180930 is about 25103.4047491570. The cubic root of 630180930 is about 857.3439461931.

The spelling of 630180930 in words is "six hundred thirty million, one hundred eighty thousand, nine hundred thirty".