30640611320 has 64 divisors (see below), whose sum is σ = 75257994240. Its totient is φ = 11134748800.

The previous prime is 30640611311. The next prime is 30640611341. The reversal of 30640611320 is 2311604603.

It is a self number, because there is not a number n which added to its sum of digits gives 30640611320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674525 + ... + 718515.

It is an arithmetic number, because the mean of its divisors is an integer number (1175906160).

Almost surely, 2^30640611320 is an apocalyptic number.

It is an amenable number.

30640611320 is an abundant number, since it is smaller than the sum of its proper divisors (44617382920).

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

30640611320 is a wasteful number, since it uses less digits than its factorization.

30640611320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45596 (or 45592 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 30640611320 in words is "thirty billion, six hundred forty million, six hundred eleven thousand, three hundred twenty".