3221023355040 has 48 divisors (see below), whose sum is σ = 10146223569888. Its totient is φ = 858939561216.

The previous prime is 3221023354961. The next prime is 3221023355087. The reversal of 3221023355040 is 405533201223.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3221023354989 and 3221023355007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3355232182 + ... + 3355233141.

It is an arithmetic number, because the mean of its divisors is an integer number (211379657706).

Almost surely, 2^{3221023355040} is an apocalyptic number.

3221023355040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3221023355040 is an abundant number, since it is smaller than the sum of its proper divisors (6925200214848).

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

3221023355040 is a wasteful number, since it uses less digits than its factorization.

3221023355040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6710465341 (or 6710465333 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 3221023355040 its reverse (405533201223), we get a palindrome (3626556556263).

The spelling of 3221023355040 in words is "three trillion, two hundred twenty-one billion, twenty-three million, three hundred fifty-five thousand, forty".