438080434481 has 4 divisors (see below), whose sum is σ = 438081761652. Its totient is φ = 438079107312.

The previous prime is 438080434471. The next prime is 438080434501. The reversal of 438080434481 is 184434080834.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 405686194225 + 32394240256 = 636935^2 + 179984^2 .

It is a cyclic number.

It is not a de Polignac number, because 438080434481 - 2³⁰ = 437006692657 is a prime.

It is a super-2 number, since 2×438080434481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (438080434471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260411 + ... + 971583.

It is an arithmetic number, because the mean of its divisors is an integer number (109520440413).

Almost surely, 2^438080434481 is an apocalyptic number.

It is an amenable number.

438080434481 is a deficient number, since it is larger than the sum of its proper divisors (1327171).

438080434481 is an equidigital number, since it uses as much as digits as its factorization.

438080434481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327170.

The product of its (nonzero) digits is 1179648, while the sum is 47.

The spelling of 438080434481 in words is "four hundred thirty-eight billion, eighty million, four hundred thirty-four thousand, four hundred eighty-one".