3351321440 has 96 divisors (see below), whose sum is σ = 8109442656. Its totient is φ = 1308303360.

The previous prime is 3351321439. The next prime is 3351321443. The reversal of 3351321440 is 441231533.

It is a super-2 number, since 2×3351321440² = 22462710788407347200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3351321443) 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, 1788344 + ... + 1790216.

It is an arithmetic number, because the mean of its divisors is an integer number (84473361).

Almost surely, 2^3351321440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3351321440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4054721328).

3351321440 is an abundant number, since it is smaller than the sum of its proper divisors (4758121216).

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

3351321440 is a wasteful number, since it uses less digits than its factorization.

3351321440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152 (or 2144 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 3351321440 is about 57890.5988913571. The cubic root of 3351321440 is about 1496.4838293213.

Adding to 3351321440 its reverse (441231533), we get a palindrome (3792552973).

The spelling of 3351321440 in words is "three billion, three hundred fifty-one million, three hundred twenty-one thousand, four hundred forty".