30156544412 has 24 divisors (see below), whose sum is σ = 56599678800. Its totient is φ = 14015154816.

The previous prime is 30156544391. The next prime is 30156544427. The reversal of 30156544412 is 21444565103.

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 7 ways as a sum of consecutive naturals, for example, 3739337 + ... + 3747392.

It is an arithmetic number, because the mean of its divisors is an integer number (2358319950).

Almost surely, 2^30156544412 is an apocalyptic number.

It is an amenable number.

30156544412 is a deficient number, since it is larger than the sum of its proper divisors (26443134388).

30156544412 is a wasteful number, since it uses less digits than its factorization.

30156544412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486805 (or 7486803 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 30156544412 in words is "thirty billion, one hundred fifty-six million, five hundred forty-four thousand, four hundred twelve".