1855995468 has 48 divisors (see below), whose sum is σ = 4826747520. Its totient is φ = 551625984.

The previous prime is 1855995467. The next prime is 1855995469. The reversal of 1855995468 is 8645995581.

It is an interprime number because it is at equal distance from previous prime (1855995467) and next prime (1855995469).

It is not an unprimeable number, because it can be changed into a prime (1855995461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235546 + ... + 243297.

It is an arithmetic number, because the mean of its divisors is an integer number (100557240).

Almost surely, 2^1855995468 is an apocalyptic number.

It is an amenable number.

1855995468 is an abundant number, since it is smaller than the sum of its proper divisors (2970752052).

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

1855995468 is a wasteful number, since it uses less digits than its factorization.

1855995468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478886 (or 478884 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 60.

The square root of 1855995468 is about 43081.2658588394. The cubic root of 1855995468 is about 1228.9257300049.

The spelling of 1855995468 in words is "one billion, eight hundred fifty-five million, nine hundred ninety-five thousand, four hundred sixty-eight".