80449238 has 4 divisors (see below), whose sum is σ = 120673860. Its totient is φ = 40224618.

The previous prime is 80449217. The next prime is 80449267. The reversal of 80449238 is 83294408.

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

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20112308 + ... + 20112311.

It is an arithmetic number, because the mean of its divisors is an integer number (30168465).

Almost surely, 2^80449238 is an apocalyptic number.

80449238 is a deficient number, since it is larger than the sum of its proper divisors (40224622).

80449238 is a wasteful number, since it uses less digits than its factorization.

80449238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40224621.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 80449238 is about 8969.3499207022. The cubic root of 80449238 is about 431.6919779304.

The spelling of 80449238 in words is "eighty million, four hundred forty-nine thousand, two hundred thirty-eight".