400422344234 has 16 divisors (see below), whose sum is σ = 676373227776. Its totient is φ = 176138860800.

The previous prime is 400422344191. The next prime is 400422344261. The reversal of 400422344234 is 432443224004.

It is a self number, because there is not a number n which added to its sum of digits gives 400422344234.

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, 293564087 + ... + 293565450.

It is an arithmetic number, because the mean of its divisors is an integer number (42273326736).

Almost surely, 2^400422344234 is an apocalyptic number.

400422344234 is a deficient number, since it is larger than the sum of its proper divisors (275950883542).

400422344234 is a wasteful number, since it uses less digits than its factorization.

400422344234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587129581.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 400422344234 its reverse (432443224004), we get a palindrome (832865568238).

The spelling of 400422344234 in words is "four hundred billion, four hundred twenty-two million, three hundred forty-four thousand, two hundred thirty-four".