30162143880 has 512 divisors, whose sum is σ = 115308748800. Its totient is φ = 6941721600.

The previous prime is 30162143861. The next prime is 30162143887. The reversal of 30162143880 is 8834126103.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (30162143887) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 45630750 + ... + 45631410.

It is an arithmetic number, because the mean of its divisors is an integer number (225212400).

Almost surely, 2^30162143880 is an apocalyptic number.

30162143880 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 30162143880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57654374400).

30162143880 is an abundant number, since it is smaller than the sum of its proper divisors (85146604920).

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

30162143880 is a wasteful number, since it uses less digits than its factorization.

30162143880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

Adding to 30162143880 its reverse (8834126103), we get a palindrome (38996269983).

The spelling of 30162143880 in words is "thirty billion, one hundred sixty-two million, one hundred forty-three thousand, eight hundred eighty".