2855814520 has 32 divisors (see below), whose sum is σ = 6919859520. Its totient is φ = 1054454400.

The previous prime is 2855814487. The next prime is 2855814569. The reversal of 2855814520 is 254185582.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2745456 + ... + 2746495.

It is an arithmetic number, because the mean of its divisors is an integer number (216245610).

Almost surely, 2^2855814520 is an apocalyptic number.

2855814520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2855814520 is an abundant number, since it is smaller than the sum of its proper divisors (4064045000).

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

2855814520 is a wasteful number, since it uses less digits than its factorization.

2855814520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491975 (or 5491971 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 40.

The square root of 2855814520 is about 53439.8214817378. The cubic root of 2855814520 is about 1418.7634742392.

The spelling of 2855814520 in words is "two billion, eight hundred fifty-five million, eight hundred fourteen thousand, five hundred twenty".