42558032 has 20 divisors (see below), whose sum is σ = 89952576. Its totient is φ = 19344480.

The previous prime is 42558031. The next prime is 42558037. The reversal of 42558032 is 23085524.

It is a super-2 number, since 2×42558032² = 3622372175426048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42557986 and 42558004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42558031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120728 + ... + 121079.

Almost surely, 2^42558032 is an apocalyptic number.

It is an amenable number.

42558032 is an abundant number, since it is smaller than the sum of its proper divisors (47394544).

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

42558032 is a wasteful number, since it uses less digits than its factorization.

42558032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241826 (or 241820 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 42558032 is about 6523.6517380988. The cubic root of 42558032 is about 349.1353678317.

The spelling of 42558032 in words is "forty-two million, five hundred fifty-eight thousand, thirty-two".