32220649760 has 48 divisors (see below), whose sum is σ = 81976773816. Its totient is φ = 11896854528.

The previous prime is 32220649739. The next prime is 32220649789. The reversal of 32220649760 is 6794602223.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12989616784 + 19231032976 = 113972^2 + 138676^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7743269 + ... + 7747428.

Almost surely, 2^32220649760 is an apocalyptic number.

It is an amenable number.

32220649760 is an abundant number, since it is smaller than the sum of its proper divisors (49756124056).

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

32220649760 is a wasteful number, since it uses less digits than its factorization.

32220649760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15490725 (or 15490717 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 32220649760 in words is "thirty-two billion, two hundred twenty million, six hundred forty-nine thousand, seven hundred sixty".