2855447760 has 160 divisors (see below), whose sum is σ = 9753125760. Its totient is φ = 685312000.

The previous prime is 2855447717. The next prime is 2855447783. The reversal of 2855447760 is 677445582.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261286 + ... + 271994.

It is an arithmetic number, because the mean of its divisors is an integer number (60957036).

Almost surely, 2^2855447760 is an apocalyptic number.

2855447760 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 2855447760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4876562880).

2855447760 is an abundant number, since it is smaller than the sum of its proper divisors (6897678000).

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

2855447760 is a wasteful number, since it uses less digits than its factorization.

2855447760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10837 (or 10831 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 48.

The square root of 2855447760 is about 53436.3898481175. The cubic root of 2855447760 is about 1418.7027364048.

2855447760 divided by its sum of digits (48) gives a palindrome (59488495).

The spelling of 2855447760 in words is "two billion, eight hundred fifty-five million, four hundred forty-seven thousand, seven hundred sixty".