2820028426 has 8 divisors (see below), whose sum is σ = 4273651620. Its totient is φ = 1395477888.

The previous prime is 2820028417. The next prime is 2820028433. The reversal of 2820028426 is 6248200282.

It can be written as a sum of positive squares in 2 ways, for example, as 2659980625 + 160047801 = 51575^2 + 12651^2 .

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 = 2820028391 and 2820028400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7267921 + ... + 7268308.

Almost surely, 2^2820028426 is an apocalyptic number.

2820028426 is a deficient number, since it is larger than the sum of its proper divisors (1453623194).

2820028426 is a wasteful number, since it uses less digits than its factorization.

2820028426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14536328.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 2820028426 is about 53103.9398350066. The cubic root of 2820028426 is about 1412.8123914587.

The spelling of 2820028426 in words is "two billion, eight hundred twenty million, twenty-eight thousand, four hundred twenty-six".