30252813140 has 24 divisors (see below), whose sum is σ = 69306445152. Its totient is φ = 11001022880.

The previous prime is 30252813139. The next prime is 30252813167. The reversal of 30252813140 is 4131825203.

It is a happy number.

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, 68756174 + ... + 68756613.

It is an arithmetic number, because the mean of its divisors is an integer number (2887768548).

Almost surely, 2^30252813140 is an apocalyptic number.

It is an amenable number.

30252813140 is an abundant number, since it is smaller than the sum of its proper divisors (39053632012).

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

30252813140 is a wasteful number, since it uses less digits than its factorization.

30252813140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137512807 (or 137512805 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 30252813140 in words is "thirty billion, two hundred fifty-two million, eight hundred thirteen thousand, one hundred forty".