420858026 has 8 divisors (see below), whose sum is σ = 631476324. Its totient is φ = 210365920.

The previous prime is 420858019. The next prime is 420858029. The reversal of 420858026 is 620858024.

It can be written as a sum of positive squares in 2 ways, for example, as 307967401 + 112890625 = 17549^2 + 10625^2 .

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 (420858029) 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, 22715 + ... + 36846.

Almost surely, 2^420858026 is an apocalyptic number.

420858026 is a deficient number, since it is larger than the sum of its proper divisors (210618298).

420858026 is a wasteful number, since it uses less digits than its factorization.

420858026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63096.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 420858026 is about 20514.8245422670. The cubic root of 420858026 is about 749.3968638398.

The spelling of 420858026 in words is "four hundred twenty million, eight hundred fifty-eight thousand, twenty-six".