30232433140 has 192 divisors, whose sum is σ = 83672870400. Its totient is φ = 8903245824.

The previous prime is 30232433137. The next prime is 30232433197. The reversal of 30232433140 is 4133423203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2748171 + ... + 2759149.

It is an arithmetic number, because the mean of its divisors is an integer number (435796200).

Almost surely, 2^30232433140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30232433140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41836435200).

30232433140 is an abundant number, since it is smaller than the sum of its proper divisors (53440437260).

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

30232433140 is a wasteful number, since it uses less digits than its factorization.

30232433140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11114 (or 11112 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 30232433140 its reverse (4133423203), we get a palindrome (34365856343).

The spelling of 30232433140 in words is "thirty billion, two hundred thirty-two million, four hundred thirty-three thousand, one hundred forty".