855342648 has 24 divisors (see below), whose sum is σ = 2316553200. Its totient is φ = 285114192.

The previous prime is 855342643. The next prime is 855342689. The reversal of 855342648 is 846243558.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×855342648² = 1463222090975303808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855342643) 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 5 ways as a sum of consecutive naturals, for example, 5939808 + ... + 5939951.

It is an arithmetic number, because the mean of its divisors is an integer number (96523050).

Almost surely, 2^855342648 is an apocalyptic number.

It is an amenable number.

855342648 is an abundant number, since it is smaller than the sum of its proper divisors (1461210552).

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

855342648 is a wasteful number, since it uses less digits than its factorization.

855342648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11879771 (or 11879764 counting only the distinct ones).

The product of its digits is 921600, while the sum is 45.

The square root of 855342648 is about 29246.2416046917. The cubic root of 855342648 is about 949.2487682471.

The spelling of 855342648 in words is "eight hundred fifty-five million, three hundred forty-two thousand, six hundred forty-eight".