400424443234 has 8 divisors (see below), whose sum is σ = 600816130128. Its totient is φ = 200152399860.

The previous prime is 400424443229. The next prime is 400424443247. The reversal of 400424443234 is 432344424004.

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 400424443234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29902512 + ... + 29915899.

It is an arithmetic number, because the mean of its divisors is an integer number (75102016266).

Almost surely, 2^400424443234 is an apocalyptic number.

400424443234 is a deficient number, since it is larger than the sum of its proper divisors (200391686894).

400424443234 is a wasteful number, since it uses less digits than its factorization.

400424443234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59821760.

The product of its (nonzero) digits is 147456, while the sum is 34.

Adding to 400424443234 its reverse (432344424004), we get a palindrome (832768867238).

The spelling of 400424443234 in words is "four hundred billion, four hundred twenty-four million, four hundred forty-three thousand, two hundred thirty-four".