855468456 has 32 divisors (see below), whose sum is σ = 2139797760. Its totient is φ = 285005952.

The previous prime is 855468433. The next prime is 855468503. The reversal of 855468456 is 654864558.

It is a super-2 number, since 2×855468456² = 1463652558422047872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 855468399 and 855468408.

It is an unprimeable number.

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, 43116 + ... + 59748.

It is an arithmetic number, because the mean of its divisors is an integer number (66868680).

Almost surely, 2^855468456 is an apocalyptic number.

It is an amenable number.

855468456 is an abundant number, since it is smaller than the sum of its proper divisors (1284329304).

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

855468456 is a wasteful number, since it uses less digits than its factorization.

855468456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18785 (or 18781 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 51.

The square root of 855468456 is about 29248.3923660771. The cubic root of 855468456 is about 949.2953060233.

The spelling of 855468456 in words is "eight hundred fifty-five million, four hundred sixty-eight thousand, four hundred fifty-six".