3220030440 has 192 divisors, whose sum is σ = 11448216000. Its totient is φ = 778444800.

The previous prime is 3220030439. The next prime is 3220030477. The reversal of 3220030440 is 440300223.

3220030440 is a `hidden beast` number, since 3 + 220 + 0 + 3 + 0 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1777135 + ... + 1778945.

It is an arithmetic number, because the mean of its divisors is an integer number (59626125).

Almost surely, 2^3220030440 is an apocalyptic number.

3220030440 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 3220030440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5724108000).

3220030440 is an abundant number, since it is smaller than the sum of its proper divisors (8228185560).

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

3220030440 is a wasteful number, since it uses less digits than its factorization.

3220030440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288 (or 2281 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 3220030440 is about 56745.3120530674. The cubic root of 3220030440 is about 1476.6809051299.

Adding to 3220030440 its reverse (440300223), we get a palindrome (3660330663).

The spelling of 3220030440 in words is "three billion, two hundred twenty million, thirty thousand, four hundred forty".