30512433535040 has 56 divisors (see below), whose sum is σ = 72672435239040. Its totient is φ = 12202503638528.

The previous prime is 30512433535013. The next prime is 30512433535079. The reversal of 30512433535040 is 4053533421503.

It is a junction number, because it is equal to n+sod(n) for n = 30512433534985 and 30512433535003.

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, 8063330 + ... + 11226849.

It is an arithmetic number, because the mean of its divisors is an integer number (1297722057840).

Almost surely, 2^{30512433535040} is an apocalyptic number.

It is an amenable number.

30512433535040 is an abundant number, since it is smaller than the sum of its proper divisors (42160001704000).

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

30512433535040 is a wasteful number, since it uses less digits than its factorization.

30512433535040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19295139 (or 19295129 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 38.

Adding to 30512433535040 its reverse (4053533421503), we get a palindrome (34565966956543).

The spelling of 30512433535040 in words is "thirty trillion, five hundred twelve billion, four hundred thirty-three million, five hundred thirty-five thousand, forty".