30143259456 has 56 divisors (see below), whose sum is σ = 81909574560. Its totient is φ = 9776189952.

The previous prime is 30143259451. The next prime is 30143259457. The reversal of 30143259456 is 65495234103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30143259451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2114466 + ... + 2128673.

Almost surely, 2^30143259456 is an apocalyptic number.

It is an amenable number.

30143259456 is an abundant number, since it is smaller than the sum of its proper divisors (51766315104).

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

30143259456 is a wasteful number, since it uses less digits than its factorization.

30143259456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4243191 (or 4243181 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 30143259456 in words is "thirty billion, one hundred forty-three million, two hundred fifty-nine thousand, four hundred fifty-six".