80448418 has 4 divisors (see below), whose sum is σ = 120672630. Its totient is φ = 40224208.

The previous prime is 80448377. The next prime is 80448427. The reversal of 80448418 is 81484408.

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., 45603009 + 34845409 = 6753^2 + 5903^2 .

It is a super-4 number, since 4×80448418⁴ (a number of 33 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20112103 + ... + 20112106.

Almost surely, 2^80448418 is an apocalyptic number.

80448418 is a deficient number, since it is larger than the sum of its proper divisors (40224212).

80448418 is a wasteful number, since it uses less digits than its factorization.

80448418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40224211.

The product of its (nonzero) digits is 32768, while the sum is 37.

The square root of 80448418 is about 8969.3042093576. The cubic root of 80448418 is about 431.6905112141.

The spelling of 80448418 in words is "eighty million, four hundred forty-eight thousand, four hundred eighteen".