3278795520 has 576 divisors, whose sum is σ = 14076324864. Its totient is φ = 628162560.

The previous prime is 3278795519. The next prime is 3278795617. The reversal of 3278795520 is 255978723.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 3278795520.

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, 3843414 + ... + 3844266.

It is an arithmetic number, because the mean of its divisors is an integer number (24438064).

Almost surely, 2^3278795520 is an apocalyptic number.

3278795520 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 3278795520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7038162432).

3278795520 is an abundant number, since it is smaller than the sum of its proper divisors (10797529344).

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

3278795520 is a wasteful number, since it uses less digits than its factorization.

3278795520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 48.

The square root of 3278795520 is about 57260.7677210147. The cubic root of 3278795520 is about 1485.6098754465.

The spelling of 3278795520 in words is "three billion, two hundred seventy-eight million, seven hundred ninety-five thousand, five hundred twenty".