30523355740 has 24 divisors (see below), whose sum is σ = 64330463232. Its totient is φ = 12165263040.

The previous prime is 30523355711. The next prime is 30523355773. The reversal of 30523355740 is 4755332503.

It is a self number, because there is not a number n which added to its sum of digits gives 30523355740.

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 7 ways as a sum of consecutive naturals, for example, 2749276 + ... + 2760355.

It is an arithmetic number, because the mean of its divisors is an integer number (2680435968).

Almost surely, 2^30523355740 is an apocalyptic number.

It is an amenable number.

30523355740 is an abundant number, since it is smaller than the sum of its proper divisors (33807107492).

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

30523355740 is a wasteful number, since it uses less digits than its factorization.

30523355740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5509917 (or 5509915 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 37.

The spelling of 30523355740 in words is "thirty billion, five hundred twenty-three million, three hundred fifty-five thousand, seven hundred forty".