42539845830 has 32 divisors (see below), whose sum is σ = 102666009600. Its totient is φ = 11280583392.

The previous prime is 42539845823. The next prime is 42539845867. The reversal of 42539845830 is 3854893524.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3955510 + ... + 3966249.

It is an arithmetic number, because the mean of its divisors is an integer number (3208312800).

Almost surely, 2^42539845830 is an apocalyptic number.

42539845830 is an abundant number, since it is smaller than the sum of its proper divisors (60126163770).

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

42539845830 is a wasteful number, since it uses less digits than its factorization.

42539845830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7921948.

The product of its (nonzero) digits is 4147200, while the sum is 51.

The spelling of 42539845830 in words is "forty-two billion, five hundred thirty-nine million, eight hundred forty-five thousand, eight hundred thirty".