32128661480 has 32 divisors (see below), whose sum is σ = 73653445800. Its totient is φ = 12608983296.

The previous prime is 32128661473. The next prime is 32128661497. The reversal of 32128661480 is 8416682123.

It can be written as a sum of positive squares in 4 ways, for example, as 29425285444 + 2703376036 = 171538^2 + 51994^2 .

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, 7575395 + ... + 7579634.

Almost surely, 2^32128661480 is an apocalyptic number.

It is an amenable number.

32128661480 is an abundant number, since it is smaller than the sum of its proper divisors (41524784320).

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

32128661480 is a wasteful number, since it uses less digits than its factorization.

32128661480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15155093 (or 15155089 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 32128661480 in words is "thirty-two billion, one hundred twenty-eight million, six hundred sixty-one thousand, four hundred eighty".