2855328561792 has 256 divisors, whose sum is σ = 9656511360000. Its totient is φ = 813653019648.

The previous prime is 2855328561779. The next prime is 2855328561793. The reversal of 2855328561792 is 2971658235582.

It is a happy number.

2855328561792 is a `hidden beast` number, since 2 + 8 + 5 + 5 + 3 + 2 + 8 + 5 + 617 + 9 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (2855328561793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9013059 + ... + 9324477.

It is an arithmetic number, because the mean of its divisors is an integer number (37720747500).

Almost surely, 2^{2855328561792} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2855328561792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4828255680000).

2855328561792 is an abundant number, since it is smaller than the sum of its proper divisors (6801182798208).

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

2855328561792 is a wasteful number, since it uses less digits than its factorization.

2855328561792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311828 (or 311810 counting only the distinct ones).

The product of its digits is 72576000, while the sum is 63.

The spelling of 2855328561792 in words is "two trillion, eight hundred fifty-five billion, three hundred twenty-eight million, five hundred sixty-one thousand, seven hundred ninety-two".