30321022444140 has 96 divisors (see below), whose sum is σ = 85466830224384. Its totient is φ = 8031521030400.

The previous prime is 30321022444003. The next prime is 30321022444159. The reversal of 30321022444140 is 4144422012303.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 30321022444098 and 30321022444107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145644202 + ... + 145852238.

It is an arithmetic number, because the mean of its divisors is an integer number (890279481504).

Almost surely, 2^{30321022444140} is an apocalyptic number.

30321022444140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30321022444140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42733415112192).

30321022444140 is an abundant number, since it is smaller than the sum of its proper divisors (55145807780244).

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

30321022444140 is a wasteful number, since it uses less digits than its factorization.

30321022444140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224287 (or 224285 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 30321022444140 its reverse (4144422012303), we get a palindrome (34465444456443).

The spelling of 30321022444140 in words is "thirty trillion, three hundred twenty-one billion, twenty-two million, four hundred forty-four thousand, one hundred forty".