1471881632728 has 32 divisors (see below), whose sum is σ = 2974849138800. Its totient is φ = 678694451328.

The previous prime is 1471881632671. The next prime is 1471881632743. The reversal of 1471881632728 is 8272361881741.

It is a happy number.

It is a congruent number.

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, 6508426 + ... + 6730777.

Almost surely, 2^{1471881632728} is an apocalyptic number.

It is an amenable number.

1471881632728 is an abundant number, since it is smaller than the sum of its proper divisors (1502967506072).

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

1471881632728 is a wasteful number, since it uses less digits than its factorization.

1471881632728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13240291 (or 13240287 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 58.

The spelling of 1471881632728 in words is "one trillion, four hundred seventy-one billion, eight hundred eighty-one million, six hundred thirty-two thousand, seven hundred twenty-eight".