30140441 has 4 divisors (see below), whose sum is σ = 31726800. Its totient is φ = 28554084.

The previous prime is 30140431. The next prime is 30140449. The reversal of 30140441 is 14404103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14404103 = 7 ⋅2057729.

It is a cyclic number.

It is not a de Polignac number, because 30140441 - 2¹⁸ = 29878297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30140449) 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 3 ways as a sum of consecutive naturals, for example, 793151 + ... + 793188.

It is an arithmetic number, because the mean of its divisors is an integer number (7931700).

Almost surely, 2^30140441 is an apocalyptic number.

It is an amenable number.

30140441 is a deficient number, since it is larger than the sum of its proper divisors (1586359).

30140441 is a wasteful number, since it uses less digits than its factorization.

30140441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586358.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 30140441 is about 5490.0310563785. The cubic root of 30140441 is about 311.2073657619.

Adding to 30140441 its reverse (14404103), we get a palindrome (44544544).

The spelling of 30140441 in words is "thirty million, one hundred forty thousand, four hundred forty-one".