403130042 has 8 divisors (see below), whose sum is σ = 691080096. Its totient is φ = 172770012.

The previous prime is 403130023. The next prime is 403130047. The reversal of 403130042 is 240031304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 403130042.

It is not an unprimeable number, because it can be changed into a prime (403130047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14397488 + ... + 14397515.

It is an arithmetic number, because the mean of its divisors is an integer number (86385012).

Almost surely, 2^403130042 is an apocalyptic number.

403130042 is a deficient number, since it is larger than the sum of its proper divisors (287950054).

403130042 is a wasteful number, since it uses less digits than its factorization.

403130042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28795012.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 403130042 is about 20078.0985653522. The cubic root of 403130042 is about 738.7231707031.

Adding to 403130042 its reverse (240031304), we get a palindrome (643161346).

The spelling of 403130042 in words is "four hundred three million, one hundred thirty thousand, forty-two".