30323021025040 has 80 divisors (see below), whose sum is σ = 77893714447488. Its totient is φ = 10919389657088.

The previous prime is 30323021025007. The next prime is 30323021025043. The reversal of 30323021025040 is 4052012032303.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 30323021024996 and 30323021025014.

It is not an unprimeable number, because it can be changed into a prime (30323021025043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484671742 + ... + 484734301.

Almost surely, 2^{30323021025040} is an apocalyptic number.

It is an amenable number.

30323021025040 is an abundant number, since it is smaller than the sum of its proper divisors (47570693422448).

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

30323021025040 is a wasteful number, since it uses less digits than its factorization.

30323021025040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969406096 (or 969406090 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 30323021025040 its reverse (4052012032303), we get a palindrome (34375033057343).

The spelling of 30323021025040 in words is "thirty trillion, three hundred twenty-three billion, twenty-one million, twenty-five thousand, forty".