4440239149 has 4 divisors (see below), whose sum is σ = 4450541760. Its totient is φ = 4429936540.

The previous prime is 4440239137. The next prime is 4440239191. The reversal of 4440239149 is 9419320444.

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.

It is a cyclic number.

It is not a de Polignac number, because 4440239149 - 2¹³ = 4440230957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440239249) 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, 5150659 + ... + 5151520.

It is an arithmetic number, because the mean of its divisors is an integer number (1112635440).

Almost surely, 2^4440239149 is an apocalyptic number.

It is an amenable number.

4440239149 is a deficient number, since it is larger than the sum of its proper divisors (10302611).

4440239149 is a wasteful number, since it uses less digits than its factorization.

4440239149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10302610.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 4440239149 is about 66635.1194866491. The cubic root of 4440239149 is about 1643.6226617293.

The spelling of 4440239149 in words is "four billion, four hundred forty million, two hundred thirty-nine thousand, one hundred forty-nine".