404142003 has 12 divisors (see below), whose sum is σ = 618099768. Its totient is φ = 253579200.

The previous prime is 404142001. The next prime is 404142007. The reversal of 404142003 is 300241404.

It is not a de Polignac number, because 404142003 - 2¹ = 404142001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404142001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1320573 + ... + 1320878.

It is an arithmetic number, because the mean of its divisors is an integer number (51508314).

Almost surely, 2^404142003 is an apocalyptic number.

404142003 is a deficient number, since it is larger than the sum of its proper divisors (213957765).

404142003 is a wasteful number, since it uses less digits than its factorization.

404142003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641474 (or 2641471 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 404142003 is about 20103.2833885413. The cubic root of 404142003 is about 739.3407831434.

Adding to 404142003 its reverse (300241404), we get a palindrome (704383407).

The spelling of 404142003 in words is "four hundred four million, one hundred forty-two thousand, three".