6330630630640 has 40 divisors (see below), whose sum is σ = 14721902255808. Its totient is φ = 2531704116480.

The previous prime is 6330630630619. The next prime is 6330630630659. The reversal of 6330630630640 is 460360360336.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 6330630630593 and 6330630630602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8192632 + ... + 8931991.

Almost surely, 2^{6330630630640} is an apocalyptic number.

It is an amenable number.

6330630630640 is an abundant number, since it is smaller than the sum of its proper divisors (8391271625168).

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

6330630630640 is a wasteful number, since it uses less digits than its factorization.

6330630630640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17129257 (or 17129251 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 40.

Adding to 6330630630640 its reverse (460360360336), we get a palindrome (6790990990976).

The spelling of 6330630630640 in words is "six trillion, three hundred thirty billion, six hundred thirty million, six hundred thirty thousand, six hundred forty".