630494072136 has 192 divisors, whose sum is σ = 1828997614080. Its totient is φ = 195845713920.

The previous prime is 630494072123. The next prime is 630494072161. The reversal of 630494072136 is 631270494036.

630494072136 is a `hidden beast` number, since 63 + 0 + 494 + 0 + 72 + 1 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 630494072091 and 630494072100.

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, 7971295 + ... + 8050001.

It is an arithmetic number, because the mean of its divisors is an integer number (9526029240).

Almost surely, 2^630494072136 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 630494072136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (914498807040).

630494072136 is an abundant number, since it is smaller than the sum of its proper divisors (1198503541944).

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

630494072136 is a wasteful number, since it uses less digits than its factorization.

630494072136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78884 (or 78877 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 630494072136 in words is "six hundred thirty billion, four hundred ninety-four million, seventy-two thousand, one hundred thirty-six".