30461468712640 has 112 divisors (see below), whose sum is σ = 82911201004800. Its totient is φ = 10442358623232.

The previous prime is 30461468712601. The next prime is 30461468712713. The reversal of 30461468712640 is 4621786416403.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×30461468712640² (a number of 28 digits) contains 22 as substring.

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, 13895071 + ... + 15937249.

It is an arithmetic number, because the mean of its divisors is an integer number (740278580400).

Almost surely, 2^{30461468712640} is an apocalyptic number.

It is an amenable number.

30461468712640 is an abundant number, since it is smaller than the sum of its proper divisors (52449732292160).

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

30461468712640 is a wasteful number, since it uses less digits than its factorization.

30461468712640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048862 (or 2048852 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 52.

The spelling of 30461468712640 in words is "thirty trillion, four hundred sixty-one billion, four hundred sixty-eight million, seven hundred twelve thousand, six hundred forty".