3278922240 has 320 divisors, whose sum is σ = 11755497600. Its totient is φ = 772669440.

The previous prime is 3278922217. The next prime is 3278922259. The reversal of 3278922240 is 422298723.

It is a tau number, because it is divible by the number of its divisors (320).

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, 3125236 + ... + 3126284.

It is an arithmetic number, because the mean of its divisors is an integer number (36735930).

Almost surely, 2^3278922240 is an apocalyptic number.

3278922240 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 3278922240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5877748800).

3278922240 is an abundant number, since it is smaller than the sum of its proper divisors (8476575360).

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

3278922240 is a wasteful number, since it uses less digits than its factorization.

3278922240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 3278922240 is about 57261.8742270981. The cubic root of 3278922240 is about 1485.6290139845.

The spelling of 3278922240 in words is "three billion, two hundred seventy-eight million, nine hundred twenty-two thousand, two hundred forty".