30155424432 has 80 divisors (see below), whose sum is σ = 94267395072. Its totient is φ = 8109020160.

The previous prime is 30155424323. The next prime is 30155424443. The reversal of 30155424432 is 23442455103.

It is a junction number, because it is equal to n+sod(n) for n = 30155424393 and 30155424402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2633944 + ... + 2645367.

Almost surely, 2^30155424432 is an apocalyptic number.

It is an amenable number.

30155424432 is an abundant number, since it is smaller than the sum of its proper divisors (64111970640).

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

30155424432 is a wasteful number, since it uses less digits than its factorization.

30155424432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5279346 (or 5279340 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 30155424432 its reverse (23442455103), we get a palindrome (53597879535).

The spelling of 30155424432 in words is "thirty billion, one hundred fifty-five million, four hundred twenty-four thousand, four hundred thirty-two".