32112133040 has 40 divisors (see below), whose sum is σ = 80403843408. Its totient is φ = 11856787200.

The previous prime is 32112133033. The next prime is 32112133043. The reversal of 32112133040 is 4033121123.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (32112133043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15437486 + ... + 15439565.

Almost surely, 2^32112133040 is an apocalyptic number.

It is an amenable number.

32112133040 is an abundant number, since it is smaller than the sum of its proper divisors (48291710368).

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

32112133040 is a wasteful number, since it uses less digits than its factorization.

32112133040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30877077 (or 30877071 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 32112133040 its reverse (4033121123), we get a palindrome (36145254163).

The spelling of 32112133040 in words is "thirty-two billion, one hundred twelve million, one hundred thirty-three thousand, forty".