630563018400 has 864 divisors, whose sum is σ = 2585417522688. Its totient is φ = 141639321600.

The previous prime is 630563018389. The next prime is 630563018413. The reversal of 630563018400 is 4810365036.

630563018400 is a `hidden beast` number, since 6 + 3 + 0 + 5 + 630 + 18 + 4 + 0 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1284242155 + ... + 1284242645.

It is an arithmetic number, because the mean of its divisors is an integer number (2992381392).

Almost surely, 2^630563018400 is an apocalyptic number.

630563018400 is a gapful number since it is divisible by the number (60) 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 630563018400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1292708761344).

630563018400 is an abundant number, since it is smaller than the sum of its proper divisors (1954854504288).

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

630563018400 is a wasteful number, since it uses less digits than its factorization.

630563018400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 630563018400 in words is "six hundred thirty billion, five hundred sixty-three million, eighteen thousand, four hundred".