30505774932 has 48 divisors (see below), whose sum is σ = 79105129600. Its totient is φ = 10166523840.

The previous prime is 30505774913. The next prime is 30505774991. The reversal of 30505774932 is 23947750503.

30505774932 is a `hidden beast` number, since 3 + 0 + 5 + 0 + 577 + 49 + 32 = 666.

It is a super-3 number, since 3×30505774932³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560544 + ... + 612552.

Almost surely, 2^30505774932 is an apocalyptic number.

It is an amenable number.

30505774932 is an abundant number, since it is smaller than the sum of its proper divisors (48599354668).

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

30505774932 is a wasteful number, since it uses less digits than its factorization.

30505774932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57453 (or 57445 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 45.

The spelling of 30505774932 in words is "thirty billion, five hundred five million, seven hundred seventy-four thousand, nine hundred thirty-two".