3320440266 has 128 divisors (see below), whose sum is σ = 8273664000. Its totient is φ = 873365760.

The previous prime is 3320440243. The next prime is 3320440283. The reversal of 3320440266 is 6620440233.

It is a happy number.

It is a super-2 number, since 2×3320440266² = 22050647120148301512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2428315 + ... + 2429681.

It is an arithmetic number, because the mean of its divisors is an integer number (64638000).

Almost surely, 2^3320440266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3320440266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4136832000).

3320440266 is an abundant number, since it is smaller than the sum of its proper divisors (4953223734).

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

3320440266 is a wasteful number, since it uses less digits than its factorization.

3320440266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564.

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 3320440266 is about 57623.2615008904. The cubic root of 3320440266 is about 1491.8731252337.

Adding to 3320440266 its reverse (6620440233), we get a palindrome (9940880499).

The spelling of 3320440266 in words is "three billion, three hundred twenty million, four hundred forty thousand, two hundred sixty-six".