2855448780 has 48 divisors (see below), whose sum is σ = 8000191584. Its totient is φ = 760983040.

The previous prime is 2855448737. The next prime is 2855448797. The reversal of 2855448780 is 878445582.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89434 + ... + 117086.

It is an arithmetic number, because the mean of its divisors is an integer number (166670658).

Almost surely, 2^2855448780 is an apocalyptic number.

2855448780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2855448780 is an abundant number, since it is smaller than the sum of its proper divisors (5144742804).

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

2855448780 is a wasteful number, since it uses less digits than its factorization.

2855448780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29386 (or 29384 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 51.

The square root of 2855448780 is about 53436.3993921746. The cubic root of 2855448780 is about 1418.7029053306.

The spelling of 2855448780 in words is "two billion, eight hundred fifty-five million, four hundred forty-eight thousand, seven hundred eighty".