2855923820800 has 108 divisors (see below), whose sum is σ = 7070900280640. Its totient is φ = 1142039439360.

The previous prime is 2855923820791. The next prime is 2855923820821. The reversal of 2855923820800 is 80283295582.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22714909 + ... + 22840291.

Almost surely, 2^{2855923820800} is an apocalyptic number.

2855923820800 is a gapful number since it is divisible by the number (20) 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 2855923820800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3535450140320).

2855923820800 is an abundant number, since it is smaller than the sum of its proper divisors (4214976459840).

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

2855923820800 is a wasteful number, since it uses less digits than its factorization.

2855923820800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128968 (or 128949 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 52.

The spelling of 2855923820800 in words is "two trillion, eight hundred fifty-five billion, nine hundred twenty-three million, eight hundred twenty thousand, eight hundred".