438981325445 has 16 divisors (see below), whose sum is σ = 569455996032. Its totient is φ = 322938223680.

The previous prime is 438981325423. The next prime is 438981325451. The reversal of 438981325445 is 544523189834.

It is not a de Polignac number, because 438981325445 - 2²⁰ = 438980276869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12822371 + ... + 12856560.

It is an arithmetic number, because the mean of its divisors is an integer number (35590999752).

Almost surely, 2^438981325445 is an apocalyptic number.

It is an amenable number.

438981325445 is a deficient number, since it is larger than the sum of its proper divisors (130474670587).

438981325445 is a wasteful number, since it uses less digits than its factorization.

438981325445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25679212.

The product of its digits is 16588800, while the sum is 56.

The spelling of 438981325445 in words is "four hundred thirty-eight billion, nine hundred eighty-one million, three hundred twenty-five thousand, four hundred forty-five".