30320520442432 has 28 divisors (see below), whose sum is σ = 65637035732016. Its totient is φ = 13782054746240.

The previous prime is 30320520442417. The next prime is 30320520442549. The reversal of 30320520442432 is 23424402502303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21534459838 + ... + 21534461245.

It is an arithmetic number, because the mean of its divisors is an integer number (2344179847572).

Almost surely, 2^{30320520442432} is an apocalyptic number.

30320520442432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30320520442432 is an abundant number, since it is smaller than the sum of its proper divisors (35316515289584).

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

30320520442432 is a wasteful number, since it uses less digits than its factorization.

30320520442432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43068921106 (or 43068921096 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 34.

Adding to 30320520442432 its reverse (23424402502303), we get a palindrome (53744922944735).

The spelling of 30320520442432 in words is "thirty trillion, three hundred twenty billion, five hundred twenty million, four hundred forty-two thousand, four hundred thirty-two".