3421210440 has 64 divisors (see below), whose sum is σ = 10709884800. Its totient is φ = 872655872.

The previous prime is 3421210411. The next prime is 3421210451. The reversal of 3421210440 is 440121243.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617025 + ... + 622544.

It is an arithmetic number, because the mean of its divisors is an integer number (167341950).

Almost surely, 2^3421210440 is an apocalyptic number.

3421210440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3421210440 is an abundant number, since it is smaller than the sum of its proper divisors (7288674360).

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

3421210440 is a wasteful number, since it uses less digits than its factorization.

3421210440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239606 (or 1239602 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 3421210440 is about 58491.1141969445. The cubic root of 3421210440 is about 1506.8149815708.

Adding to 3421210440 its reverse (440121243), we get a palindrome (3861331683).

The spelling of 3421210440 in words is "three billion, four hundred twenty-one million, two hundred ten thousand, four hundred forty".