42735232158 has 16 divisors (see below), whose sum is σ = 85508094096. Its totient is φ = 14238805760.

The previous prime is 42735232153. The next prime is 42735232159. The reversal of 42735232158 is 85123253724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42735232153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1553133 + ... + 1580408.

It is an arithmetic number, because the mean of its divisors is an integer number (5344255881).

Almost surely, 2^42735232158 is an apocalyptic number.

42735232158 is an abundant number, since it is smaller than the sum of its proper divisors (42772861938).

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

42735232158 is a wasteful number, since it uses less digits than its factorization.

42735232158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135819.

The product of its digits is 403200, while the sum is 42.

The spelling of 42735232158 in words is "forty-two billion, seven hundred thirty-five million, two hundred thirty-two thousand, one hundred fifty-eight".