80042128 has 40 divisors (see below), whose sum is σ = 159596928. Its totient is φ = 38869632.

The previous prime is 80042119. The next prime is 80042167. The reversal of 80042128 is 82124008.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122250 + ... + 122902.

Almost surely, 2^80042128 is an apocalyptic number.

It is an amenable number.

80042128 is a deficient number, since it is larger than the sum of its proper divisors (79554800).

80042128 is a wasteful number, since it uses less digits than its factorization.

80042128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 80042128 is about 8946.6266268354. The cubic root of 80042128 is about 430.9625597543.

The spelling of 80042128 in words is "eighty million, forty-two thousand, one hundred twenty-eight".