80438218241 has 8 divisors (see below), whose sum is σ = 80613019368. Its totient is φ = 80263600000.

The previous prime is 80438218199. The next prime is 80438218271. The reversal of 80438218241 is 14281283408.

It can be written as a sum of positive squares in 4 ways, for example, as 28041177025 + 52397041216 = 167455^2 + 228904^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80438218241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80438218271) 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 7 ways as a sum of consecutive naturals, for example, 853991 + ... + 943491.

It is an arithmetic number, because the mean of its divisors is an integer number (10076627421).

Almost surely, 2^80438218241 is an apocalyptic number.

It is an amenable number.

80438218241 is a deficient number, since it is larger than the sum of its proper divisors (174801127).

80438218241 is a wasteful number, since it uses less digits than its factorization.

80438218241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91443.

The product of its (nonzero) digits is 98304, while the sum is 41.

The spelling of 80438218241 in words is "eighty billion, four hundred thirty-eight million, two hundred eighteen thousand, two hundred forty-one".