400043032422 has 32 divisors (see below), whose sum is σ = 873771045120. Its totient is φ = 121093233120.

The previous prime is 400043032369. The next prime is 400043032507. The reversal of 400043032422 is 224230340004.

It is a junction number, because it is equal to n+sod(n) for n = 400043032392 and 400043032401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3237093 + ... + 3358400.

It is an arithmetic number, because the mean of its divisors is an integer number (27305345160).

Almost surely, 2^400043032422 is an apocalyptic number.

400043032422 is an abundant number, since it is smaller than the sum of its proper divisors (473728012698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400043032422 is a wasteful number, since it uses less digits than its factorization.

400043032422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6596428.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 400043032422 its reverse (224230340004), we get a palindrome (624273372426).

The spelling of 400043032422 in words is "four hundred billion, forty-three million, thirty-two thousand, four hundred twenty-two".