4540045439 has 4 divisors (see below), whose sum is σ = 4696598760. Its totient is φ = 4383492120.

The previous prime is 4540045429. The next prime is 4540045441. The reversal of 4540045439 is 9345400454.

4540045439 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4540045439 - 2⁴ = 4540045423 is a prime.

It is a super-2 number, since 2×4540045439² = 41224025176369405442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540045429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78276617 + ... + 78276674.

It is an arithmetic number, because the mean of its divisors is an integer number (1174149690).

Almost surely, 2^4540045439 is an apocalyptic number.

4540045439 is a deficient number, since it is larger than the sum of its proper divisors (156553321).

4540045439 is a wasteful number, since it uses less digits than its factorization.

4540045439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156553320.

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 4540045439 is about 67379.8592978644. The cubic root of 4540045439 is about 1655.8464698102.

The spelling of 4540045439 in words is "four billion, five hundred forty million, forty-five thousand, four hundred thirty-nine".