30640465611 has 48 divisors (see below), whose sum is σ = 53045990400. Its totient is φ = 16663268160.

The previous prime is 30640465607. The next prime is 30640465613. The reversal of 30640465611 is 11656404603.

It is a happy number.

30640465611 is a `hidden beast` number, since 3 + 0 + 640 + 4 + 6 + 5 + 6 + 1 + 1 = 666.

It is not a de Polignac number, because 30640465611 - 2² = 30640465607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30640465613) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 235221 + ... + 341481.

It is an arithmetic number, because the mean of its divisors is an integer number (1105124800).

Almost surely, 2^30640465611 is an apocalyptic number.

30640465611 is a deficient number, since it is larger than the sum of its proper divisors (22405524789).

30640465611 is a wasteful number, since it uses less digits than its factorization.

30640465611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106496 (or 106493 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 30640465611 in words is "thirty billion, six hundred forty million, four hundred sixty-five thousand, six hundred eleven".