400301242 has 16 divisors (see below), whose sum is σ = 658370592. Its totient is φ = 181029520.

The previous prime is 400301221. The next prime is 400301311. The reversal of 400301242 is 242103004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41848 + ... + 50515.

It is an arithmetic number, because the mean of its divisors is an integer number (41148162).

Almost surely, 2^400301242 is an apocalyptic number.

400301242 is a deficient number, since it is larger than the sum of its proper divisors (258069350).

400301242 is a wasteful number, since it uses less digits than its factorization.

400301242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92573.

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

The square root of 400301242 is about 20007.5296326158. The cubic root of 400301242 is about 736.9912174845.

Adding to 400301242 its reverse (242103004), we get a palindrome (642404246).

The spelling of 400301242 in words is "four hundred million, three hundred one thousand, two hundred forty-two".