30770520656740 has 24 divisors (see below), whose sum is σ = 66702548005632. Its totient is φ = 11911169286240.

The previous prime is 30770520656641. The next prime is 30770520656747. The reversal of 30770520656740 is 4765602507703.

It is not an unprimeable number, because it can be changed into a prime (30770520656747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24814935394 + ... + 24814936633.

It is an arithmetic number, because the mean of its divisors is an integer number (2779272833568).

Almost surely, 2^{30770520656740} is an apocalyptic number.

It is an amenable number.

30770520656740 is an abundant number, since it is smaller than the sum of its proper divisors (35932027348892).

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

30770520656740 is a wasteful number, since it uses less digits than its factorization.

30770520656740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49629872067 (or 49629872065 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 52.

The spelling of 30770520656740 in words is "thirty trillion, seven hundred seventy billion, five hundred twenty million, six hundred fifty-six thousand, seven hundred forty".