32640481552 has 20 divisors (see below), whose sum is σ = 72275352256. Its totient is φ = 13988777760.

The previous prime is 32640481541. The next prime is 32640481571. The reversal of 32640481552 is 25518404623.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145716324 + ... + 145716547.

Almost surely, 2^32640481552 is an apocalyptic number.

It is an amenable number.

32640481552 is an abundant number, since it is smaller than the sum of its proper divisors (39634870704).

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

32640481552 is a wasteful number, since it uses less digits than its factorization.

32640481552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291432886 (or 291432880 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 32640481552 in words is "thirty-two billion, six hundred forty million, four hundred eighty-one thousand, five hundred fifty-two".