400042433122 has 16 divisors (see below), whose sum is σ = 602950453344. Its totient is φ = 199059084000.

The previous prime is 400042433113. The next prime is 400042433171. The reversal of 400042433122 is 221334240004.

It is a happy number.

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, 8399797 + ... + 8447287.

It is an arithmetic number, because the mean of its divisors is an integer number (37684403334).

Almost surely, 2^400042433122 is an apocalyptic number.

400042433122 is a deficient number, since it is larger than the sum of its proper divisors (202908020222).

400042433122 is a wasteful number, since it uses less digits than its factorization.

400042433122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67665.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 400042433122 its reverse (221334240004), we get a palindrome (621376673126).

The spelling of 400042433122 in words is "four hundred billion, forty-two million, four hundred thirty-three thousand, one hundred twenty-two".