420366582 has 48 divisors (see below), whose sum is σ = 966654000. Its totient is φ = 131567616.

The previous prime is 420366577. The next prime is 420366593. The reversal of 420366582 is 285663024.

420366582 is a `hidden beast` number, since 42 + 0 + 36 + 6 + 582 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151318 + ... + 154070.

It is an arithmetic number, because the mean of its divisors is an integer number (20138625).

Almost surely, 2^420366582 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420366582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483327000).

420366582 is an abundant number, since it is smaller than the sum of its proper divisors (546287418).

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

420366582 is a wasteful number, since it uses less digits than its factorization.

420366582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277 (or 3274 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 420366582 is about 20502.8432662399. The cubic root of 420366582 is about 749.1050551898.

The spelling of 420366582 in words is "four hundred twenty million, three hundred sixty-six thousand, five hundred eighty-two".