42000412 has 24 divisors (see below), whose sum is σ = 79869440. Its totient is φ = 19252080.

The previous prime is 42000383. The next prime is 42000419. The reversal of 42000412 is 21400024.

It is a junction number, because it is equal to n+sod(n) for n = 42000392 and 42000401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42000419) 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, 6558 + ... + 11269.

Almost surely, 2^42000412 is an apocalyptic number.

It is an amenable number.

42000412 is a deficient number, since it is larger than the sum of its proper divisors (37869028).

42000412 is a wasteful number, since it uses less digits than its factorization.

42000412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17881 (or 17879 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 42000412 is about 6480.7724848200. The cubic root of 42000412 is about 347.6038010905.

Adding to 42000412 its reverse (21400024), we get a palindrome (63400436).

The spelling of 42000412 in words is "forty-two million, four hundred twelve", and thus it is an aban number.