438520445314474 has 4 divisors (see below), whose sum is σ = 657780667971714. Its totient is φ = 219260222657236.

The previous prime is 438520445314453. The next prime is 438520445314477. The reversal of 438520445314474 is 474413544025834.

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

It can be written as a sum of positive squares in only one way, i.e., 302108720625625 + 136411724688849 = 17381275^2 + 11679543^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (438520445314477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109630111328617 + ... + 109630111328620.

Almost surely, 2^{438520445314474} is an apocalyptic number.

438520445314474 is a deficient number, since it is larger than the sum of its proper divisors (219260222657240).

438520445314474 is a wasteful number, since it uses less digits than its factorization.

438520445314474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219260222657239.

The product of its (nonzero) digits is 103219200, while the sum is 58.

The spelling of 438520445314474 in words is "four hundred thirty-eight trillion, five hundred twenty billion, four hundred forty-five million, three hundred fourteen thousand, four hundred seventy-four".