3321401440 has 48 divisors (see below), whose sum is σ = 8967786912. Its totient is φ = 1138765824.

The previous prime is 3321401389. The next prime is 3321401441. The reversal of 3321401440 is 441041233.

It is a super-2 number, since 2×3321401440² = 22063415051268147200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321401441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1481649 + ... + 1483888.

It is an arithmetic number, because the mean of its divisors is an integer number (186828894).

Almost surely, 2^3321401440 is an apocalyptic number.

It is an amenable number.

3321401440 is an abundant number, since it is smaller than the sum of its proper divisors (5646385472).

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

3321401440 is a wasteful number, since it uses less digits than its factorization.

3321401440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965559 (or 2965551 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3321401440 is about 57631.6010535886. The cubic root of 3321401440 is about 1492.0170631058.

Adding to 3321401440 its reverse (441041233), we get a palindrome (3762442673).

The spelling of 3321401440 in words is "three billion, three hundred twenty-one million, four hundred one thousand, four hundred forty".