32043255646 has 4 divisors (see below), whose sum is σ = 48064883472. Its totient is φ = 16021627822.

The previous prime is 32043255599. The next prime is 32043255683. The reversal of 32043255646 is 64655234023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64655234023 = 9547 ⋅6772309.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 32043255599 and 32043255608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8010813910 + ... + 8010813913.

It is an arithmetic number, because the mean of its divisors is an integer number (12016220868).

Almost surely, 2^32043255646 is an apocalyptic number.

32043255646 is a deficient number, since it is larger than the sum of its proper divisors (16021627826).

32043255646 is a wasteful number, since it uses less digits than its factorization.

32043255646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16021627825.

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 32043255646 its reverse (64655234023), we get a palindrome (96698489669).

The spelling of 32043255646 in words is "thirty-two billion, forty-three million, two hundred fifty-five thousand, six hundred forty-six".