42024012 has 12 divisors (see below), whose sum is σ = 98056056. Its totient is φ = 14008000.

The previous prime is 42024007. The next prime is 42024023. The reversal of 42024012 is 21042024.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×42024012² = 3532035169152288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42023982 and 42024000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1750989 + ... + 1751012.

It is an arithmetic number, because the mean of its divisors is an integer number (8171338).

Almost surely, 2^42024012 is an apocalyptic number.

It is an amenable number.

42024012 is an abundant number, since it is smaller than the sum of its proper divisors (56032044).

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

42024012 is a wasteful number, since it uses less digits than its factorization.

42024012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502008 (or 3502006 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 42024012 is about 6482.5929997186. The cubic root of 42024012 is about 347.6688950050.

Adding to 42024012 its reverse (21042024), we get a palindrome (63066036).

The spelling of 42024012 in words is "forty-two million, twenty-four thousand, twelve".