630480852 has 144 divisors (see below), whose sum is σ = 1706664960. Its totient is φ = 195955200.

The previous prime is 630480841. The next prime is 630480863. The reversal of 630480852 is 258084036.

It is an interprime number because it is at equal distance from previous prime (630480841) and next prime (630480863).

It is a super-2 number, since 2×630480852² = 795012209477291808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5784174 + ... + 5784282.

It is an arithmetic number, because the mean of its divisors is an integer number (11851840).

Almost surely, 2^630480852 is an apocalyptic number.

630480852 is a gapful number since it is divisible by the number (62) 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 630480852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853332480).

630480852 is an abundant number, since it is smaller than the sum of its proper divisors (1076184108).

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

630480852 is a wasteful number, since it uses less digits than its factorization.

630480852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 630480852 is about 25109.3777700683. The cubic root of 630480852 is about 857.4799365183.

The spelling of 630480852 in words is "six hundred thirty million, four hundred eighty thousand, eight hundred fifty-two".