420082538 has 8 divisors (see below), whose sum is σ = 633605700. Its totient is φ = 208880640.

The previous prime is 420082471. The next prime is 420082543. The reversal of 420082538 is 835280024.

It can be written as a sum of positive squares in 2 ways, for example, as 242206969 + 177875569 = 15563^2 + 13337^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579863 + ... + 580586.

Almost surely, 2^420082538 is an apocalyptic number.

420082538 is a deficient number, since it is larger than the sum of its proper divisors (213523162).

420082538 is a wasteful number, since it uses less digits than its factorization.

420082538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160632.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 420082538 is about 20495.9151540008. The cubic root of 420082538 is about 748.9362923776.

The spelling of 420082538 in words is "four hundred twenty million, eighty-two thousand, five hundred thirty-eight".