3323503440 has 160 divisors (see below), whose sum is σ = 11494085760. Its totient is φ = 882671616.

The previous prime is 3323503423. The next prime is 3323503471. The reversal of 3323503440 is 443053233.

It is a happy number.

It is a super-2 number, since 2×3323503440² = 22091350231383667200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 552127 + ... + 558113.

It is an arithmetic number, because the mean of its divisors is an integer number (71838036).

Almost surely, 2^3323503440 is an apocalyptic number.

3323503440 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 3323503440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5747042880).

3323503440 is an abundant number, since it is smaller than the sum of its proper divisors (8170582320).

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

3323503440 is a wasteful number, since it uses less digits than its factorization.

3323503440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6266 (or 6254 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 27.

The square root of 3323503440 is about 57649.8346918705. The cubic root of 3323503440 is about 1492.3317453822.

Adding to 3323503440 its reverse (443053233), we get a palindrome (3766556673).

It can be divided in two parts, 332350 and 3440, that added together give a triangular number (335790 = T₈₁₉).

The spelling of 3323503440 in words is "three billion, three hundred twenty-three million, five hundred three thousand, four hundred forty".