32221356968640 has 224 divisors, whose sum is σ = 117362054937600. Its totient is φ = 7336877838336.

The previous prime is 32221356968579. The next prime is 32221356968659. The reversal of 32221356968640 is 4686965312223.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7348315 + ... + 10883034.

Almost surely, 2^{32221356968640} is an apocalyptic number.

32221356968640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32221356968640 is an abundant number, since it is smaller than the sum of its proper divisors (85140697968960).

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

32221356968640 is a wasteful number, since it uses less digits than its factorization.

32221356968640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18231639 (or 18231629 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 57.

The spelling of 32221356968640 in words is "thirty-two trillion, two hundred twenty-one billion, three hundred fifty-six million, nine hundred sixty-eight thousand, six hundred forty".