42003912 has 32 divisors (see below), whose sum is σ = 105285600. Its totient is φ = 13964544.

The previous prime is 42003877. The next prime is 42003943. The reversal of 42003912 is 21930024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7968 + ... + 12144.

It is an arithmetic number, because the mean of its divisors is an integer number (3290175).

Almost surely, 2^42003912 is an apocalyptic number.

It is an amenable number.

42003912 is an abundant number, since it is smaller than the sum of its proper divisors (63281688).

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

42003912 is a wasteful number, since it uses less digits than its factorization.

42003912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4605 (or 4601 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 42003912 is about 6481.0425087327. The cubic root of 42003912 is about 347.6134563887.

Adding to 42003912 its reverse (21930024), we get a palindrome (63933936).

The spelling of 42003912 in words is "forty-two million, three thousand, nine hundred twelve".