32400400422 has 32 divisors (see below), whose sum is σ = 70827063552. Its totient is φ = 9820556064.

The previous prime is 32400400399. The next prime is 32400400441. The reversal of 32400400422 is 22400400423.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 3094698 + ... + 3105149.

It is an arithmetic number, because the mean of its divisors is an integer number (2213345736).

Almost surely, 2^32400400422 is an apocalyptic number.

32400400422 is an abundant number, since it is smaller than the sum of its proper divisors (38426663130).

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

32400400422 is a wasteful number, since it uses less digits than its factorization.

32400400422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6199932.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 32400400422 its reverse (22400400423), we get a palindrome (54800800845).

Subtracting from 32400400422 its reverse (22400400423), we obtain a palindrome (9999999999).

The spelling of 32400400422 in words is "thirty-two billion, four hundred million, four hundred thousand, four hundred twenty-two".