42539094 has 48 divisors (see below), whose sum is σ = 102949392. Its totient is φ = 13087008.

The previous prime is 42539093. The next prime is 42539111. The reversal of 42539094 is 49093524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42539093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2952 + ... + 9684.

It is an arithmetic number, because the mean of its divisors is an integer number (2144779).

Almost surely, 2^42539094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42539094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51474696).

42539094 is an abundant number, since it is smaller than the sum of its proper divisors (60410298).

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

42539094 is a wasteful number, since it uses less digits than its factorization.

42539094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6763 (or 6751 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 42539094 is about 6522.2000889270. The cubic root of 42539094 is about 349.0835726219.

The spelling of 42539094 in words is "forty-two million, five hundred thirty-nine thousand, ninety-four".