32445657712 has 40 divisors (see below), whose sum is σ = 68556098240. Its totient is φ = 14785355520.

The previous prime is 32445657703. The next prime is 32445657719. The reversal of 32445657712 is 21775654423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32445657719) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 970839 + ... + 1003702.

It is an arithmetic number, because the mean of its divisors is an integer number (1713902456).

Almost surely, 2^32445657712 is an apocalyptic number.

It is an amenable number.

32445657712 is an abundant number, since it is smaller than the sum of its proper divisors (36110440528).

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

32445657712 is a wasteful number, since it uses less digits than its factorization.

32445657712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974641 (or 1974635 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 46.

The spelling of 32445657712 in words is "thirty-two billion, four hundred forty-five million, six hundred fifty-seven thousand, seven hundred twelve".