800190042082 has 8 divisors (see below), whose sum is σ = 1203057085356. Its totient is φ = 399171013632.

The previous prime is 800190042077. The next prime is 800190042089. The reversal of 800190042082 is 280240091008.

It can be written as a sum of positive squares in 2 ways, for example, as 787888792161 + 12301249921 = 887631^2 + 110911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (800190042089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462002623 + ... + 462004354.

Almost surely, 2^800190042082 is an apocalyptic number.

800190042082 is a deficient number, since it is larger than the sum of its proper divisors (402867043274).

800190042082 is a wasteful number, since it uses less digits than its factorization.

800190042082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924007412.

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 800190042082 in words is "eight hundred billion, one hundred ninety million, forty-two thousand, eighty-two".