630078531136 has 112 divisors (see below), whose sum is σ = 1331768736000. Its totient is φ = 294739845120.

The previous prime is 630078531109. The next prime is 630078531197. The reversal of 630078531136 is 631135870036.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 630078531092 and 630078531101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315195865 + ... + 315197863.

Almost surely, 2^630078531136 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 630078531136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665884368000).

630078531136 is an abundant number, since it is smaller than the sum of its proper divisors (701690204864).

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

630078531136 is a wasteful number, since it uses less digits than its factorization.

630078531136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612 (or 3602 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 630078531136 in words is "six hundred thirty billion, seventy-eight million, five hundred thirty-one thousand, one hundred thirty-six".