420042246 has 32 divisors (see below), whose sum is σ = 908019168. Its totient is φ = 128770560.

The previous prime is 420042221. The next prime is 420042257. The reversal of 420042246 is 642240024.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 11886 + ... + 31326.

It is an arithmetic number, because the mean of its divisors is an integer number (28375599).

Almost surely, 2^420042246 is an apocalyptic number.

420042246 is an abundant number, since it is smaller than the sum of its proper divisors (487976922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420042246 is a wasteful number, since it uses less digits than its factorization.

420042246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19736.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 420042246 is about 20494.9322028642. The cubic root of 420042246 is about 748.9123469993.

The spelling of 420042246 in words is "four hundred twenty million, forty-two thousand, two hundred forty-six".