32033220040 has 32 divisors (see below), whose sum is σ = 72079849080. Its totient is φ = 12812380672.

The previous prime is 32033220029. The next prime is 32033220041. The reversal of 32033220040 is 4002233023.

It can be written as a sum of positive squares in 4 ways, for example, as 28613075716 + 3420144324 = 169154^2 + 58482^2 .

It is a super-2 number, since 2×32033220040² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32033220041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1047852 + ... + 1077988.

Almost surely, 2^32033220040 is an apocalyptic number.

It is an amenable number.

32033220040 is an abundant number, since it is smaller than the sum of its proper divisors (40046629040).

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

32033220040 is a wasteful number, since it uses less digits than its factorization.

32033220040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56721 (or 56717 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 32033220040 its reverse (4002233023), we get a palindrome (36035453063).

The spelling of 32033220040 in words is "thirty-two billion, thirty-three million, two hundred twenty thousand, forty".