3278523960 has 192 divisors, whose sum is σ = 11189767680. Its totient is φ = 830903040.

The previous prime is 3278523953. The next prime is 3278523971. The reversal of 3278523960 is 693258723.

3278523960 is a `hidden beast` number, since 32 + 7 + 8 + 523 + 96 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1381575 + ... + 1383945.

It is an arithmetic number, because the mean of its divisors is an integer number (58280040).

Almost surely, 2^3278523960 is an apocalyptic number.

3278523960 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 3278523960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5594883840).

3278523960 is an abundant number, since it is smaller than the sum of its proper divisors (7911243720).

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

3278523960 is a wasteful number, since it uses less digits than its factorization.

3278523960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578 (or 2571 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 3278523960 is about 57258.3964148491. The cubic root of 3278523960 is about 1485.5688600438.

The spelling of 3278523960 in words is "three billion, two hundred seventy-eight million, five hundred twenty-three thousand, nine hundred sixty".