80540441 has 8 divisors (see below), whose sum is σ = 87358824. Its totient is φ = 73953280.

The previous prime is 80540429. The next prime is 80540477. The reversal of 80540441 is 14404508.

It can be written as a sum of positive squares in 4 ways, for example, as 14280841 + 66259600 = 3779^2 + 8140^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 80540441 - 2¹⁴ = 80524057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80540441.

It is not an unprimeable number, because it can be changed into a prime (80540491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57080 + ... + 58473.

It is an arithmetic number, because the mean of its divisors is an integer number (10919853).

Almost surely, 2^80540441 is an apocalyptic number.

It is an amenable number.

80540441 is a deficient number, since it is larger than the sum of its proper divisors (6818383).

80540441 is a wasteful number, since it uses less digits than its factorization.

80540441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115611.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 80540441 is about 8974.4326283058. The cubic root of 80540441 is about 431.8550486056.

Adding to 80540441 its reverse (14404508), we get a palindrome (94944949).

The spelling of 80540441 in words is "eighty million, five hundred forty thousand, four hundred forty-one".