42459424 has 96 divisors (see below), whose sum is σ = 101122560. Its totient is φ = 17169408.

The previous prime is 42459407. The next prime is 42459457. The reversal of 42459424 is 42495424.

It is a self number, because there is not a number n which added to its sum of digits gives 42459424.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389482 + ... + 389590.

It is an arithmetic number, because the mean of its divisors is an integer number (1053360).

Almost surely, 2^42459424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42459424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50561280).

42459424 is an abundant number, since it is smaller than the sum of its proper divisors (58663136).

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

42459424 is a wasteful number, since it uses less digits than its factorization.

42459424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 202 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 42459424 is about 6516.0896249208. The cubic root of 42459424 is about 348.8655075740.

The spelling of 42459424 in words is "forty-two million, four hundred fifty-nine thousand, four hundred twenty-four".