3312214440 has 64 divisors (see below), whose sum is σ = 9972106560. Its totient is φ = 880104960.

The previous prime is 3312214421. The next prime is 3312214447. The reversal of 3312214440 is 444122133.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3312214440.

It is not an unprimeable number, because it can be changed into a prime (3312214447) 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, 15394 + ... + 82833.

It is an arithmetic number, because the mean of its divisors is an integer number (155814165).

Almost surely, 2^3312214440 is an apocalyptic number.

3312214440 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 3312214440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4986053280).

3312214440 is an abundant number, since it is smaller than the sum of its proper divisors (6659892120).

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

3312214440 is a wasteful number, since it uses less digits than its factorization.

3312214440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98522 (or 98518 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 3312214440 is about 57551.8413258864. The cubic root of 3312214440 is about 1490.6401525386.

Adding to 3312214440 its reverse (444122133), we get a palindrome (3756336573).

The spelling of 3312214440 in words is "three billion, three hundred twelve million, two hundred fourteen thousand, four hundred forty".