80046418 has 4 divisors (see below), whose sum is σ = 120069630. Its totient is φ = 40023208.

The previous prime is 80046413. The next prime is 80046443. The reversal of 80046418 is 81464008.

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., 79977249 + 69169 = 8943^2 + 263^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80046418.

It is not an unprimeable number, because it can be changed into a prime (80046413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20011603 + ... + 20011606.

Almost surely, 2^80046418 is an apocalyptic number.

80046418 is a deficient number, since it is larger than the sum of its proper divisors (40023212).

80046418 is a wasteful number, since it uses less digits than its factorization.

80046418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40023211.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 80046418 is about 8946.8663787943. The cubic root of 80046418 is about 430.9702590180.

The spelling of 80046418 in words is "eighty million, forty-six thousand, four hundred eighteen".