30220444240 has 240 divisors, whose sum is σ = 84712863744. Its totient is φ = 9986457600.

The previous prime is 30220444139. The next prime is 30220444279. The reversal of 30220444240 is 4244402203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52374832 + ... + 52375408.

Almost surely, 2^30220444240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30220444240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42356431872).

30220444240 is an abundant number, since it is smaller than the sum of its proper divisors (54492419504).

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

30220444240 is a wasteful number, since it uses less digits than its factorization.

30220444240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 30220444240 its reverse (4244402203), we get a palindrome (34464846443).

The spelling of 30220444240 in words is "thirty billion, two hundred twenty million, four hundred forty-four thousand, two hundred forty".