42041424 has 80 divisors (see below), whose sum is σ = 114671232. Its totient is φ = 13246464.

The previous prime is 42041411. The next prime is 42041431. The reversal of 42041424 is 42414024.

It is a self number, because there is not a number n which added to its sum of digits gives 42041424.

It is a congruent number.

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, 124584 + ... + 124920.

Almost surely, 2^42041424 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 42041424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57335616).

42041424 is an abundant number, since it is smaller than the sum of its proper divisors (72629808).

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

42041424 is a wasteful number, since it uses less digits than its factorization.

42041424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 42041424 is about 6483.9358417554. The cubic root of 42041424 is about 347.7169054529.

Adding to 42041424 its reverse (42414024), we get a palindrome (84455448).

The spelling of 42041424 in words is "forty-two million, forty-one thousand, four hundred twenty-four".