3273440256 has 176 divisors, whose sum is σ = 9759768480. Its totient is φ = 1083801600.

The previous prime is 3273440249. The next prime is 3273440267. The reversal of 3273440256 is 6520443723.

It is a super-2 number, since 2×3273440256² = 21430822219202691072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3273440256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5446356 + ... + 5446956.

It is an arithmetic number, because the mean of its divisors is an integer number (55453230).

Almost surely, 2^3273440256 is an apocalyptic number.

3273440256 is a gapful number since it is divisible by the number (36) 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 3273440256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4879884240).

3273440256 is an abundant number, since it is smaller than the sum of its proper divisors (6486328224).

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

3273440256 is a wasteful number, since it uses less digits than its factorization.

3273440256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The square root of 3273440256 is about 57213.9865417539. The cubic root of 3273440256 is about 1484.8006180636.

Adding to 3273440256 its reverse (6520443723), we get a palindrome (9793883979).

The spelling of 3273440256 in words is "three billion, two hundred seventy-three million, four hundred forty thousand, two hundred fifty-six".