32171406200442 has 48 divisors (see below), whose sum is σ = 72157014919080. Its totient is φ = 10347024307200.

The previous prime is 32171406200389. The next prime is 32171406200443. The reversal of 32171406200442 is 24400260417123.

32171406200442 is a `hidden beast` number, since 3 + 2 + 1 + 7 + 1 + 4 + 0 + 6 + 200 + 442 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 31456517349321 + 714888851121 = 5608611^2 + 845511^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32171406200397 and 32171406200406.

It is not an unprimeable number, because it can be changed into a prime (32171406200443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20034159 + ... + 21580322.

Almost surely, 2^{32171406200442} is an apocalyptic number.

32171406200442 is an abundant number, since it is smaller than the sum of its proper divisors (39985608718638).

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

32171406200442 is a wasteful number, since it uses less digits than its factorization.

32171406200442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41615999 (or 41615996 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

Adding to 32171406200442 its reverse (24400260417123), we get a palindrome (56571666617565).

The spelling of 32171406200442 in words is "thirty-two trillion, one hundred seventy-one billion, four hundred six million, two hundred thousand, four hundred forty-two".