42120534234 has 16 divisors (see below), whose sum is σ = 84336698880. Its totient is φ = 14024239680.

The previous prime is 42120534217. The next prime is 42120534251. The reversal of 42120534234 is 43243502124.

42120534234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42120534217) and next prime (42120534251).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3978874 + ... + 3989445.

It is an arithmetic number, because the mean of its divisors is an integer number (5271043680).

Almost surely, 2^42120534234 is an apocalyptic number.

42120534234 is an abundant number, since it is smaller than the sum of its proper divisors (42216164646).

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

42120534234 is a wasteful number, since it uses less digits than its factorization.

42120534234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7969205.

The product of its (nonzero) digits is 23040, while the sum is 30.

The spelling of 42120534234 in words is "forty-two billion, one hundred twenty million, five hundred thirty-four thousand, two hundred thirty-four".