3120332440 has 64 divisors (see below), whose sum is σ = 7141491360. Its totient is φ = 1226787840.

The previous prime is 3120332419. The next prime is 3120332443. The reversal of 3120332440 is 442330213.

It is a happy number.

It is a super-2 number, since 2×3120332440² = 19472949072232707200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120332443) 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, 923955 + ... + 927325.

Almost surely, 2^3120332440 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 3120332440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3570745680).

3120332440 is an abundant number, since it is smaller than the sum of its proper divisors (4021158920).

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

3120332440 is a wasteful number, since it uses less digits than its factorization.

3120332440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3772 (or 3768 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3120332440 is about 55859.9359111698. The cubic root of 3120332440 is about 1461.2806115670.

Adding to 3120332440 its reverse (442330213), we get a palindrome (3562662653).

The spelling of 3120332440 in words is "three billion, one hundred twenty million, three hundred thirty-two thousand, four hundred forty".