32989294464 has 128 divisors (see below), whose sum is σ = 105417081600. Its totient is φ = 8929419264.

The previous prime is 32989294463. The next prime is 32989294531. The reversal of 32989294464 is 46449298923.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 32989294398 and 32989294407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32989294463) by changing a digit.

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, 271897 + ... + 374040.

It is an arithmetic number, because the mean of its divisors is an integer number (823570950).

Almost surely, 2^32989294464 is an apocalyptic number.

It is an amenable number.

32989294464 is an abundant number, since it is smaller than the sum of its proper divisors (72427787136).

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

32989294464 is a wasteful number, since it uses less digits than its factorization.

32989294464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645980 (or 645968 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 60.

The spelling of 32989294464 in words is "thirty-two billion, nine hundred eighty-nine million, two hundred ninety-four thousand, four hundred sixty-four".