3226402440 has 96 divisors (see below), whose sum is σ = 10550329920. Its totient is φ = 855080064.

The previous prime is 3226402429. The next prime is 3226402447. The reversal of 3226402440 is 442046223.

It is not an unprimeable number, because it can be changed into a prime (3226402447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31189 + ... + 86171.

It is an arithmetic number, because the mean of its divisors is an integer number (109899270).

Almost surely, 2^3226402440 is an apocalyptic number.

3226402440 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 3226402440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5275164960).

3226402440 is an abundant number, since it is smaller than the sum of its proper divisors (7323927480).

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

3226402440 is a wasteful number, since it uses less digits than its factorization.

3226402440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55163 (or 55156 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 3226402440 is about 56801.4299115788. The cubic root of 3226402440 is about 1477.6543132049.

Adding to 3226402440 its reverse (442046223), we get a palindrome (3668448663).

The spelling of 3226402440 in words is "three billion, two hundred twenty-six million, four hundred two thousand, four hundred forty".