855468240 has 160 divisors (see below), whose sum is σ = 2906813952. Its totient is φ = 206400000.

The previous prime is 855468227. The next prime is 855468247. The reversal of 855468240 is 42864558.

It is a junction number, because it is equal to n+sod(n) for n = 855468192 and 855468201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855468247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 661995 + ... + 663285.

Almost surely, 2^855468240 is an apocalyptic number.

855468240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855468240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1453406976).

855468240 is an abundant number, since it is smaller than the sum of its proper divisors (2051345712).

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

855468240 is a wasteful number, since it uses less digits than its factorization.

855468240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569 (or 1563 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 855468240 is about 29248.3886735663. The cubic root of 855468240 is about 949.2952261264.

The spelling of 855468240 in words is "eight hundred fifty-five million, four hundred sixty-eight thousand, two hundred forty".