630191702272 has 144 divisors (see below), whose sum is σ = 1383691196160. Its totient is φ = 284077670400.

The previous prime is 630191702219. The next prime is 630191702279. The reversal of 630191702272 is 272207191036.

It is a super-2 number, since 2×630191702272² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (630191702279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208464153 + ... + 208467175.

It is an arithmetic number, because the mean of its divisors is an integer number (9608966640).

Almost surely, 2^630191702272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630191702272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691845598080).

630191702272 is an abundant number, since it is smaller than the sum of its proper divisors (753499493888).

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

630191702272 is a wasteful number, since it uses less digits than its factorization.

630191702272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640 (or 3626 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 630191702272 in words is "six hundred thirty billion, one hundred ninety-one million, seven hundred two thousand, two hundred seventy-two".