855219180 has 24 divisors (see below), whose sum is σ = 2394613872. Its totient is φ = 228058432.

The previous prime is 855219151. The next prime is 855219181. The reversal of 855219180 is 81912558.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (855219181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7126767 + ... + 7126886.

It is an arithmetic number, because the mean of its divisors is an integer number (99775578).

Almost surely, 2^855219180 is an apocalyptic number.

It is an amenable number.

855219180 is an abundant number, since it is smaller than the sum of its proper divisors (1539394692).

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

855219180 is a wasteful number, since it uses less digits than its factorization.

855219180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14253665 (or 14253663 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 39.

The square root of 855219180 is about 29244.1306931835. The cubic root of 855219180 is about 949.2030916257.

The spelling of 855219180 in words is "eight hundred fifty-five million, two hundred nineteen thousand, one hundred eighty".