8080042 has 4 divisors (see below), whose sum is σ = 12120066. Its totient is φ = 4040020.

The previous prime is 8080027. The next prime is 8080063. The reversal of 8080042 is 2400808.

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., 6661561 + 1418481 = 2581^2 + 1191^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8079995 and 8080022.

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, 2020009 + ... + 2020012.

Almost surely, 2^8080042 is an apocalyptic number.

8080042 is a deficient number, since it is larger than the sum of its proper divisors (4040024).

8080042 is a wasteful number, since it uses less digits than its factorization.

8080042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040023.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 8080042 is about 2842.5414684750. The cubic root of 8080042 is about 200.6648043938.

The spelling of 8080042 in words is "eight million, eighty thousand, forty-two".