32443764464 has 20 divisors (see below), whose sum is σ = 63447271704. Its totient is φ = 16070275008.

The previous prime is 32443764401. The next prime is 32443764523. The reversal of 32443764464 is 46446734423.

It is a congruent number.

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, 9473687 + ... + 9477110.

Almost surely, 2^32443764464 is an apocalyptic number.

It is an amenable number.

32443764464 is a deficient number, since it is larger than the sum of its proper divisors (31003507240).

32443764464 is a wasteful number, since it uses less digits than its factorization.

32443764464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18950912 (or 18950906 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 47.

The spelling of 32443764464 in words is "thirty-two billion, four hundred forty-three million, seven hundred sixty-four thousand, four hundred sixty-four".