32171881952 has 48 divisors (see below), whose sum is σ = 72436099680. Its totient is φ = 13778546688.

The previous prime is 32171881919. The next prime is 32171881957. The reversal of 32171881952 is 25918817123.

It is a junction number, because it is equal to n+sod(n) for n = 32171881897 and 32171881906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32171881957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285308 + ... + 381764.

It is an arithmetic number, because the mean of its divisors is an integer number (1509085410).

Almost surely, 2^32171881952 is an apocalyptic number.

32171881952 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

32171881952 is an abundant number, since it is smaller than the sum of its proper divisors (40264217728).

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

32171881952 is a wasteful number, since it uses less digits than its factorization.

32171881952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97963 (or 97955 counting only the distinct ones).

The product of its digits is 241920, while the sum is 47.

The spelling of 32171881952 in words is "thirty-two billion, one hundred seventy-one million, eight hundred eighty-one thousand, nine hundred fifty-two".