630022689660 has 192 divisors, whose sum is σ = 2188253233152. Its totient is φ = 131881042944.

The previous prime is 630022689601. The next prime is 630022689661. The reversal of 630022689660 is 66986220036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630022689661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 239134 + ... + 1147706.

It is an arithmetic number, because the mean of its divisors is an integer number (11397152256).

Almost surely, 2^630022689660 is an apocalyptic number.

630022689660 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 630022689660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1094126616576).

630022689660 is an abundant number, since it is smaller than the sum of its proper divisors (1558230543492).

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

630022689660 is a wasteful number, since it uses less digits than its factorization.

630022689660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908732 (or 908730 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 48.

The spelling of 630022689660 in words is "six hundred thirty billion, twenty-two million, six hundred eighty-nine thousand, six hundred sixty".