1855852000 has 48 divisors (see below), whose sum is σ = 4559838192. Its totient is φ = 742339200.

The previous prime is 1855851989. The next prime is 1855852027. The reversal of 1855852000 is 2585581.

It is a happy number.

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, 227982 + ... + 235981.

It is an arithmetic number, because the mean of its divisors is an integer number (94996629).

Almost surely, 2^1855852000 is an apocalyptic number.

1855852000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1855852000 is an abundant number, since it is smaller than the sum of its proper divisors (2703986192).

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

1855852000 is an equidigital number, since it uses as much as digits as its factorization.

1855852000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463988 (or 463970 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 34.

The square root of 1855852000 is about 43079.6007409539. The cubic root of 1855852000 is about 1228.8940639685.

The spelling of 1855852000 in words is "one billion, eight hundred fifty-five million, eight hundred fifty-two thousand".