630331642850 has 96 divisors (see below), whose sum is σ = 1473676678656. Its totient is φ = 195245049600.

The previous prime is 630331642841. The next prime is 630331642867. The reversal of 630331642850 is 58246133036.

It is a super-2 number, since 2×630331642850² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 630331642798 and 630331642807.

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, 1259921 + ... + 1687620.

It is an arithmetic number, because the mean of its divisors is an integer number (15350798736).

Almost surely, 2^630331642850 is an apocalyptic number.

630331642850 is an abundant number, since it is smaller than the sum of its proper divisors (843345035806).

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

630331642850 is a wasteful number, since it uses less digits than its factorization.

630331642850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947620 (or 2947615 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

Adding to 630331642850 its reverse (58246133036), we get a palindrome (688577775886).

The spelling of 630331642850 in words is "six hundred thirty billion, three hundred thirty-one million, six hundred forty-two thousand, eight hundred fifty".