30140442243 has 24 divisors (see below), whose sum is σ = 43778180160. Its totient is φ = 19982175360.

The previous prime is 30140442221. The next prime is 30140442287. The reversal of 30140442243 is 34224404103.

It is a happy number.

30140442243 is a `hidden beast` number, since 30 + 1 + 404 + 4 + 224 + 3 = 666.

It is not a de Polignac number, because 30140442243 - 2²⁴ = 30123665027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30140442443) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1627705 + ... + 1646117.

It is an arithmetic number, because the mean of its divisors is an integer number (1824090840).

Almost surely, 2^30140442243 is an apocalyptic number.

30140442243 is a deficient number, since it is larger than the sum of its proper divisors (13637737917).

30140442243 is a wasteful number, since it uses less digits than its factorization.

30140442243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19419 (or 19416 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 30140442243 its reverse (34224404103), we get a palindrome (64364846346).

The spelling of 30140442243 in words is "thirty billion, one hundred forty million, four hundred forty-two thousand, two hundred forty-three".