30340142144 has 28 divisors (see below), whose sum is σ = 64837469004. Its totient is φ = 14003142144.

The previous prime is 30340142111. The next prime is 30340142159. The reversal of 30340142144 is 44124104303.

It can be written as a sum of positive squares in 2 ways, for example, as 2491207744 + 27848934400 = 49912^2 + 166880^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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 3 ways as a sum of consecutive naturals, for example, 18232427 + ... + 18234090.

It is an arithmetic number, because the mean of its divisors is an integer number (2315623893).

Almost surely, 2^30340142144 is an apocalyptic number.

It is an amenable number.

30340142144 is an abundant number, since it is smaller than the sum of its proper divisors (34497326860).

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

30340142144 is a wasteful number, since it uses less digits than its factorization.

30340142144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36466542 (or 36466532 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 30340142144 its reverse (44124104303), we get a palindrome (74464246447).

The spelling of 30340142144 in words is "thirty billion, three hundred forty million, one hundred forty-two thousand, one hundred forty-four".