30402444160 has 256 divisors, whose sum is σ = 85730918400. Its totient is φ = 10188840960.

The previous prime is 30402444157. The next prime is 30402444181. The reversal of 30402444160 is 6144420403.

It is a super-2 number, since 2×30402444160² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4946049 + ... + 4952191.

It is an arithmetic number, because the mean of its divisors is an integer number (334886400).

Almost surely, 2^30402444160 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 30402444160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42865459200).

30402444160 is an abundant number, since it is smaller than the sum of its proper divisors (55328474240).

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

30402444160 is a wasteful number, since it uses less digits than its factorization.

30402444160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6229 (or 6217 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 30402444160 its reverse (6144420403), we get a palindrome (36546864563).

The spelling of 30402444160 in words is "thirty billion, four hundred two million, four hundred forty-four thousand, one hundred sixty".