42058240 has 80 divisors (see below), whose sum is σ = 115296192. Its totient is φ = 14413824.

The previous prime is 42058201. The next prime is 42058241. The reversal of 42058240 is 4285024.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (42058241) 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, 16747 + ... + 19093.

Almost surely, 2^42058240 is an apocalyptic number.

42058240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42058240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57648096).

42058240 is an abundant number, since it is smaller than the sum of its proper divisors (73237952).

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

42058240 is an equidigital number, since it uses as much as digits as its factorization.

42058240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377 (or 2361 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 42058240 is about 6485.2324553558. The cubic root of 42058240 is about 347.7632599567.

The spelling of 42058240 in words is "forty-two million, fifty-eight thousand, two hundred forty".