420042582 has 24 divisors (see below), whose sum is σ = 921060504. Its totient is φ = 138326784.

The previous prime is 420042551. The next prime is 420042593. The reversal of 420042582 is 285240024.

It is a happy number.

420042582 is a `hidden beast` number, since 42 + 0 + 0 + 42 + 582 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139083 + ... + 142070.

It is an arithmetic number, because the mean of its divisors is an integer number (38377521).

Almost surely, 2^420042582 is an apocalyptic number.

420042582 is an abundant number, since it is smaller than the sum of its proper divisors (501017922).

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

420042582 is a wasteful number, since it uses less digits than its factorization.

420042582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281244 (or 281241 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 420042582 is about 20494.9404000109. The cubic root of 420042582 is about 748.9125466891.

The spelling of 420042582 in words is "four hundred twenty million, forty-two thousand, five hundred eighty-two".