42328458 has 48 divisors (see below), whose sum is σ = 95752800. Its totient is φ = 13497120.

The previous prime is 42328439. The next prime is 42328459. The reversal of 42328458 is 85482324.

It is not an unprimeable number, because it can be changed into a prime (42328459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68073 + ... + 68691.

It is an arithmetic number, because the mean of its divisors is an integer number (1994850).

Almost surely, 2^42328458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42328458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47876400).

42328458 is an abundant number, since it is smaller than the sum of its proper divisors (53424342).

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

42328458 is a wasteful number, since it uses less digits than its factorization.

42328458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787 (or 784 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 42328458 is about 6506.0324315208. The cubic root of 42328458 is about 348.5064465158.

The spelling of 42328458 in words is "forty-two million, three hundred twenty-eight thousand, four hundred fifty-eight".