30706706563640 has 64 divisors (see below), whose sum is σ = 70160639616000. Its totient is φ = 12092843889280.

The previous prime is 30706706563633. The next prime is 30706706563669. The reversal of 30706706563640 is 4636560760703.

It is a happy number.

It is a congruent number.

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, 5476970 + ... + 9560889.

It is an arithmetic number, because the mean of its divisors is an integer number (1096259994000).

Almost surely, 2^{30706706563640} is an apocalyptic number.

It is an amenable number.

30706706563640 is an abundant number, since it is smaller than the sum of its proper divisors (39453933052360).

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

30706706563640 is a wasteful number, since it uses less digits than its factorization.

30706706563640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15038660 (or 15038656 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 53.

The spelling of 30706706563640 in words is "thirty trillion, seven hundred six billion, seven hundred six million, five hundred sixty-three thousand, six hundred forty".