42003412 has 12 divisors (see below), whose sum is σ = 80188416. Its totient is φ = 19092440.

The previous prime is 42003407. The next prime is 42003421. The reversal of 42003412 is 21430024.

It is a congruent number.

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, 477268 + ... + 477355.

It is an arithmetic number, because the mean of its divisors is an integer number (6682368).

Almost surely, 2^42003412 is an apocalyptic number.

It is an amenable number.

42003412 is a deficient number, since it is larger than the sum of its proper divisors (38185004).

42003412 is a wasteful number, since it uses less digits than its factorization.

42003412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954638 (or 954636 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 42003412 is about 6481.0039345768. The cubic root of 42003412 is about 347.6120770932.

Adding to 42003412 its reverse (21430024), we get a palindrome (63433436).

The spelling of 42003412 in words is "forty-two million, three thousand, four hundred twelve".