30345140140 has 96 divisors (see below), whose sum is σ = 73941977088. Its totient is φ = 10245312000.

The previous prime is 30345140117. The next prime is 30345140153. The reversal of 30345140140 is 4104154303.

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 31 ways as a sum of consecutive naturals, for example, 13129585 + ... + 13131895.

It is an arithmetic number, because the mean of its divisors is an integer number (770228928).

Almost surely, 2^30345140140 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 30345140140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36970988544).

30345140140 is an abundant number, since it is smaller than the sum of its proper divisors (43596836948).

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

30345140140 is a wasteful number, since it uses less digits than its factorization.

30345140140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3719 (or 3717 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 30345140140 its reverse (4104154303), we get a palindrome (34449294443).

The spelling of 30345140140 in words is "thirty billion, three hundred forty-five million, one hundred forty thousand, one hundred forty".