32400400425 has 24 divisors (see below), whose sum is σ = 53575422144. Its totient is φ = 17278032960.

The previous prime is 32400400399. The next prime is 32400400441. The reversal of 32400400425 is 52400400423.

It is not a de Polignac number, because 32400400425 - 2⁷ = 32400400297 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32400400395 and 32400400404.

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 23 ways as a sum of consecutive naturals, for example, 699279 + ... + 744171.

It is an arithmetic number, because the mean of its divisors is an integer number (2232309256).

Almost surely, 2^32400400425 is an apocalyptic number.

It is an amenable number.

32400400425 is a deficient number, since it is larger than the sum of its proper divisors (21175021719).

32400400425 is a wasteful number, since it uses less digits than its factorization.

32400400425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54529 (or 54524 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 32400400425 its reverse (52400400423), we get a palindrome (84800800848).

The spelling of 32400400425 in words is "thirty-two billion, four hundred million, four hundred thousand, four hundred twenty-five".