630081450 has 96 divisors (see below), whose sum is σ = 1741406400. Its totient is φ = 167520960.

The previous prime is 630081443. The next prime is 630081457. The reversal of 630081450 is 54180036.

630081450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (630081443) and next prime (630081457).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (630081457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 759636 + ... + 760464.

It is an arithmetic number, because the mean of its divisors is an integer number (18139650).

Almost surely, 2^630081450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630081450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870703200).

630081450 is an abundant number, since it is smaller than the sum of its proper divisors (1111324950).

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

630081450 is a wasteful number, since it uses less digits than its factorization.

630081450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413 (or 1402 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 630081450 is about 25101.4232664206. The cubic root of 630081450 is about 857.2988305445.

The spelling of 630081450 in words is "six hundred thirty million, eighty-one thousand, four hundred fifty".