30115443340 has 24 divisors (see below), whose sum is σ = 63326006352. Its totient is φ = 12030258240.

The previous prime is 30115443329. The next prime is 30115443341. The reversal of 30115443340 is 4334451103.

It is a junction number, because it is equal to n+sod(n) for n = 30115443299 and 30115443308.

It is not an unprimeable number, because it can be changed into a prime (30115443341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979426 + ... + 1009705.

It is an arithmetic number, because the mean of its divisors is an integer number (2638583598).

Almost surely, 2^30115443340 is an apocalyptic number.

It is an amenable number.

30115443340 is an abundant number, since it is smaller than the sum of its proper divisors (33210563012).

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

30115443340 is a wasteful number, since it uses less digits than its factorization.

30115443340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989897 (or 1989895 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 30115443340 its reverse (4334451103), we get a palindrome (34449894443).

The spelling of 30115443340 in words is "thirty billion, one hundred fifteen million, four hundred forty-three thousand, three hundred forty".