80558442 has 32 divisors (see below), whose sum is σ = 188443200. Its totient is φ = 25439184.

The previous prime is 80558437. The next prime is 80558453. The reversal of 80558442 is 24485508.

It is a junction number, because it is equal to n+sod(n) for n = 80558397 and 80558406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38233 + ... + 40284.

It is an arithmetic number, because the mean of its divisors is an integer number (5888850).

Almost surely, 2^80558442 is an apocalyptic number.

80558442 is an abundant number, since it is smaller than the sum of its proper divisors (107884758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80558442 is a wasteful number, since it uses less digits than its factorization.

80558442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78547 (or 78541 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 80558442 is about 8975.4354769003. The cubic root of 80558442 is about 431.8872197880.

The spelling of 80558442 in words is "eighty million, five hundred fifty-eight thousand, four hundred forty-two".