3312030440 has 64 divisors (see below), whose sum is σ = 7998633360. Its totient is φ = 1229783040.

The previous prime is 3312030439. The next prime is 3312030443. The reversal of 3312030440 is 440302133.

It can be written as a sum of positive squares in 8 ways, for example, as 1935472036 + 1376558404 = 43994^2 + 37102^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (3312030443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16280 + ... + 83000.

Almost surely, 2^3312030440 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 3312030440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3999316680).

3312030440 is an abundant number, since it is smaller than the sum of its proper divisors (4686602920).

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

3312030440 is a wasteful number, since it uses less digits than its factorization.

3312030440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66822 (or 66818 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3312030440 is about 57550.2427449268. The cubic root of 3312030440 is about 1490.6125493674.

Adding to 3312030440 its reverse (440302133), we get a palindrome (3752332573).

The spelling of 3312030440 in words is "three billion, three hundred twelve million, thirty thousand, four hundred forty".