3276218880 has 640 divisors, whose sum is σ = 13199155200. Its totient is φ = 763084800.

The previous prime is 3276218867. The next prime is 3276218899. The reversal of 3276218880 is 888126723.

It is a tau number, because it is divible by the number of its divisors (640).

It is a super-2 number, since 2×3276218880² = 21467220299336908800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23569851 + ... + 23569989.

It is an arithmetic number, because the mean of its divisors is an integer number (20623680).

Almost surely, 2^3276218880 is an apocalyptic number.

3276218880 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 3276218880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6599577600).

3276218880 is an abundant number, since it is smaller than the sum of its proper divisors (9922936320).

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

3276218880 is a wasteful number, since it uses less digits than its factorization.

3276218880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 3276218880 is about 57238.2641246221. The cubic root of 3276218880 is about 1485.2206181763.

The spelling of 3276218880 in words is "three billion, two hundred seventy-six million, two hundred eighteen thousand, eight hundred eighty".