80028248642 has 8 divisors (see below), whose sum is σ = 120138487500. Its totient is φ = 39982086144.

The previous prime is 80028248603. The next prime is 80028248647. The reversal of 80028248642 is 24684282008.

It can be written as a sum of positive squares in 2 ways, for example, as 79609186801 + 419061841 = 282151^2 + 20471^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 80028248593 and 80028248602.

It is not an unprimeable number, because it can be changed into a prime (80028248647) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 16015967 + ... + 16020962.

Almost surely, 2^80028248642 is an apocalyptic number.

80028248642 is a deficient number, since it is larger than the sum of its proper divisors (40110238858).

80028248642 is a wasteful number, since it uses less digits than its factorization.

80028248642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32038180.

The product of its (nonzero) digits is 393216, while the sum is 44.

The spelling of 80028248642 in words is "eighty billion, twenty-eight million, two hundred forty-eight thousand, six hundred forty-two".