630030464 has 64 divisors (see below), whose sum is σ = 1447828800. Its totient is φ = 267494400.

The previous prime is 630030463. The next prime is 630030473. The reversal of 630030464 is 464030036.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630030461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94439 + ... + 100889.

It is an arithmetic number, because the mean of its divisors is an integer number (22622325).

Almost surely, 2^630030464 is an apocalyptic number.

630030464 is a gapful number since it is divisible by the number (64) 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 630030464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723914400).

630030464 is an abundant number, since it is smaller than the sum of its proper divisors (817798336).

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

630030464 is a wasteful number, since it uses less digits than its factorization.

630030464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6581 (or 6569 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 630030464 is about 25100.4076460921. The cubic root of 630030464 is about 857.2757058002.

The spelling of 630030464 in words is "six hundred thirty million, thirty thousand, four hundred sixty-four".