855360420 has 24 divisors (see below), whose sum is σ = 2395009344. Its totient is φ = 228096096.

The previous prime is 855360403. The next prime is 855360421. The reversal of 855360420 is 24063558.

It is not an unprimeable number, because it can be changed into a prime (855360421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7127944 + ... + 7128063.

It is an arithmetic number, because the mean of its divisors is an integer number (99792056).

Almost surely, 2^855360420 is an apocalyptic number.

It is an amenable number.

855360420 is an abundant number, since it is smaller than the sum of its proper divisors (1539648924).

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

855360420 is a wasteful number, since it uses less digits than its factorization.

855360420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14256019 (or 14256017 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 855360420 is about 29246.5454370255. The cubic root of 855360420 is about 949.2553425840.

The spelling of 855360420 in words is "eight hundred fifty-five million, three hundred sixty thousand, four hundred twenty".