3288780155268 has 72 divisors (see below), whose sum is σ = 8644115450880. Its totient is φ = 1053153002880.

The previous prime is 3288780155261. The next prime is 3288780155317. The reversal of 3288780155268 is 8625510878823.

It is a happy number.

3288780155268 is a `hidden beast` number, since 3 + 2 + 8 + 8 + 78 + 0 + 1 + 552 + 6 + 8 = 666.

It is a super-2 number, since 2×3288780155268² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3288780155261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10602348 + ... + 10908131.

It is an arithmetic number, because the mean of its divisors is an integer number (120057159040).

Almost surely, 2^{3288780155268} is an apocalyptic number.

It is an amenable number.

3288780155268 is an abundant number, since it is smaller than the sum of its proper divisors (5355335295612).

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

3288780155268 is a wasteful number, since it uses less digits than its factorization.

3288780155268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21510657 (or 21510652 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 63.

The spelling of 3288780155268 in words is "three trillion, two hundred eighty-eight billion, seven hundred eighty million, one hundred fifty-five thousand, two hundred sixty-eight".