3266332440 has 128 divisors (see below), whose sum is σ = 11352476160. Its totient is φ = 736349184.

The previous prime is 3266332439. The next prime is 3266332441. The reversal of 3266332440 is 442336623.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3266332439) and next prime (3266332441).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3266332441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34687 + ... + 87953.

It is an arithmetic number, because the mean of its divisors is an integer number (88691220).

Almost surely, 2^3266332440 is an apocalyptic number.

3266332440 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 3266332440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5676238080).

3266332440 is an abundant number, since it is smaller than the sum of its proper divisors (8086143720).

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

3266332440 is a wasteful number, since it uses less digits than its factorization.

3266332440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53361 (or 53357 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 33.

The square root of 3266332440 is about 57151.8367158922. The cubic root of 3266332440 is about 1483.7251605825.

The spelling of 3266332440 in words is "three billion, two hundred sixty-six million, three hundred thirty-two thousand, four hundred forty".