32021103305440 has 96 divisors (see below), whose sum is σ = 77131944610560. Its totient is φ = 12557849001984.

The previous prime is 32021103305437. The next prime is 32021103305459. The reversal of 32021103305440 is 4450330112023.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 32021103305399 and 32021103305408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10608337 + ... + 13288303.

It is an arithmetic number, because the mean of its divisors is an integer number (803457756360).

Almost surely, 2^{32021103305440} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32021103305440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38565972305280).

32021103305440 is an abundant number, since it is smaller than the sum of its proper divisors (45110841305120).

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

32021103305440 is a wasteful number, since it uses less digits than its factorization.

32021103305440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681444 (or 2681436 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 32021103305440 its reverse (4450330112023), we get a palindrome (36471433417463).

The spelling of 32021103305440 in words is "thirty-two trillion, twenty-one billion, one hundred three million, three hundred five thousand, four hundred forty".