1855050000 has 240 divisors, whose sum is σ = 6102734400. Its totient is φ = 485440000.

The previous prime is 1855049983. The next prime is 1855050017. The reversal of 1855050000 is 505581.

It is an interprime number because it is at equal distance from previous prime (1855049983) and next prime (1855050017).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12449926 + ... + 12450074.

It is an arithmetic number, because the mean of its divisors is an integer number (25428060).

Almost surely, 2^1855050000 is an apocalyptic number.

1855050000 is a gapful number since it is divisible by the number (10) 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 1855050000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3051367200).

1855050000 is an abundant number, since it is smaller than the sum of its proper divisors (4247684400).

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

1855050000 is an equidigital number, since it uses as much as digits as its factorization.

1855050000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 1855050000 is about 43070.2913851300. The cubic root of 1855050000 is about 1228.7170176947.

Adding to 1855050000 its reverse (505581), we get a palindrome (1855555581).

The spelling of 1855050000 in words is "one billion, eight hundred fifty-five million, fifty thousand".