401130242 has 32 divisors (see below), whose sum is σ = 655257600. Its totient is φ = 183547728.

The previous prime is 401130239. The next prime is 401130251. The reversal of 401130242 is 242031104.

It is a self number, because there is not a number n which added to its sum of digits gives 401130242.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 139673 + ... + 142515.

It is an arithmetic number, because the mean of its divisors is an integer number (20476800).

Almost surely, 2^401130242 is an apocalyptic number.

401130242 is a deficient number, since it is larger than the sum of its proper divisors (254127358).

401130242 is a wasteful number, since it uses less digits than its factorization.

401130242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 401130242 is about 20028.2361180409. The cubic root of 401130242 is about 737.4996216411.

Adding to 401130242 its reverse (242031104), we get a palindrome (643161346).

The spelling of 401130242 in words is "four hundred one million, one hundred thirty thousand, two hundred forty-two".