30660433428 has 48 divisors (see below), whose sum is σ = 72824330880. Its totient is φ = 10038336000.

The previous prime is 30660433381. The next prime is 30660433439. The reversal of 30660433428 is 82433406603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66208 + ... + 256328.

It is an arithmetic number, because the mean of its divisors is an integer number (1517173560).

Almost surely, 2^30660433428 is an apocalyptic number.

It is an amenable number.

30660433428 is an abundant number, since it is smaller than the sum of its proper divisors (42163897452).

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

30660433428 is a wasteful number, since it uses less digits than its factorization.

30660433428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190368 (or 190366 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 39.

The spelling of 30660433428 in words is "thirty billion, six hundred sixty million, four hundred thirty-three thousand, four hundred twenty-eight".