32053221440 has 56 divisors (see below), whose sum is σ = 76883968152. Its totient is φ = 12727685120.

The previous prime is 32053221391. The next prime is 32053221443. The reversal of 32053221440 is 4412235023.

It can be written as a sum of positive squares in 4 ways, for example, as 258052096 + 31795169344 = 16064^2 + 178312^2 .

It is not an unprimeable number, because it can be changed into a prime (32053221443) 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, 321731 + ... + 409410.

Almost surely, 2^32053221440 is an apocalyptic number.

It is an amenable number.

32053221440 is an abundant number, since it is smaller than the sum of its proper divisors (44830746712).

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

32053221440 is a wasteful number, since it uses less digits than its factorization.

32053221440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731295 (or 731285 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 32053221440 its reverse (4412235023), we get a palindrome (36465456463).

The spelling of 32053221440 in words is "thirty-two billion, fifty-three million, two hundred twenty-one thousand, four hundred forty".