80005442 has 24 divisors (see below), whose sum is σ = 132507900. Its totient is φ = 36201440.

The previous prime is 80005441. The next prime is 80005483. The reversal of 80005442 is 24450008.

It can be written as a sum of positive squares in 2 ways, for example, as 79584241 + 421201 = 8921^2 + 649^2 .

It is not an unprimeable number, because it can be changed into a prime (80005441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64484 + ... + 65712.

Almost surely, 2^80005442 is an apocalyptic number.

80005442 is a deficient number, since it is larger than the sum of its proper divisors (52502458).

80005442 is a wasteful number, since it uses less digits than its factorization.

80005442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522 (or 1511 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 80005442 is about 8944.5761218741. The cubic root of 80005442 is about 430.8967081462.

The spelling of 80005442 in words is "eighty million, five thousand, four hundred forty-two".