42430506 has 32 divisors (see below), whose sum is σ = 88217088. Its totient is φ = 13590720.

The previous prime is 42430489. The next prime is 42430511. The reversal of 42430506 is 60503424.

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, 28476 + ... + 29928.

It is an arithmetic number, because the mean of its divisors is an integer number (2756784).

Almost surely, 2^42430506 is an apocalyptic number.

42430506 is an abundant number, since it is smaller than the sum of its proper divisors (45786582).

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

42430506 is a wasteful number, since it uses less digits than its factorization.

42430506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 42430506 is about 6513.8702781066. The cubic root of 42430506 is about 348.7862885378.

The spelling of 42430506 in words is "forty-two million, four hundred thirty thousand, five hundred six".