32001133340 has 24 divisors (see below), whose sum is σ = 73311687792. Its totient is φ = 11636775680.

The previous prime is 32001133331. The next prime is 32001133399. The reversal of 32001133340 is 4333110023.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72729629 + ... + 72730068.

It is an arithmetic number, because the mean of its divisors is an integer number (3054653658).

Almost surely, 2^32001133340 is an apocalyptic number.

It is an amenable number.

32001133340 is an abundant number, since it is smaller than the sum of its proper divisors (41310554452).

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

32001133340 is a wasteful number, since it uses less digits than its factorization.

32001133340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145459717 (or 145459715 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 32001133340 its reverse (4333110023), we get a palindrome (36334243363).

The spelling of 32001133340 in words is "thirty-two billion, one million, one hundred thirty-three thousand, three hundred forty".