30142689072 has 40 divisors (see below), whose sum is σ = 77890590576. Its totient is φ = 10044727296.

The previous prime is 30142689047. The next prime is 30142689089. The reversal of 30142689072 is 27098624103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86808 + ... + 260424.

Almost surely, 2^30142689072 is an apocalyptic number.

It is a pronic number, being equal to 173616×173617.

It is an amenable number.

30142689072 is an abundant number, since it is smaller than the sum of its proper divisors (47747901504).

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

30142689072 is a wasteful number, since it uses less digits than its factorization.

30142689072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177245 (or 177239 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 30142689072 in words is "thirty billion, one hundred forty-two million, six hundred eighty-nine thousand, seventy-two".