30040144144 has 20 divisors (see below), whose sum is σ = 58228500940. Its totient is φ = 15013434240.

The previous prime is 30040144097. The next prime is 30040144157. The reversal of 30040144144 is 44144104003.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6176073744 + 23864070400 = 78588^2 + 154480^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377427 + ... + 450034.

It is an arithmetic number, because the mean of its divisors is an integer number (2911425047).

Almost surely, 2^30040144144 is an apocalyptic number.

It is an amenable number.

30040144144 is a deficient number, since it is larger than the sum of its proper divisors (28188356796).

30040144144 is a wasteful number, since it uses less digits than its factorization.

30040144144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829738 (or 829732 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 30040144144 its reverse (44144104003), we get a palindrome (74184248147).

The spelling of 30040144144 in words is "thirty billion, forty million, one hundred forty-four thousand, one hundred forty-four".