3220571040 has 96 divisors (see below), whose sum is σ = 10243449216. Its totient is φ = 850467840.

The previous prime is 3220571009. The next prime is 3220571089. The reversal of 3220571040 is 401750223.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3220571040.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16870 + ... + 82010.

It is an arithmetic number, because the mean of its divisors is an integer number (106702596).

Almost surely, 2^3220571040 is an apocalyptic number.

3220571040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3220571040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5121724608).

3220571040 is an abundant number, since it is smaller than the sum of its proper divisors (7022878176).

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

3220571040 is a wasteful number, since it uses less digits than its factorization.

3220571040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65262 (or 65254 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 3220571040 is about 56750.0752422409. The cubic root of 3220571040 is about 1476.7635388236.

The spelling of 3220571040 in words is "three billion, two hundred twenty million, five hundred seventy-one thousand, forty".