855495240 has 32 divisors (see below), whose sum is σ = 2566486080. Its totient is φ = 228132032.

The previous prime is 855495211. The next prime is 855495257. The reversal of 855495240 is 42594558.

It is a junction number, because it is equal to n+sod(n) for n = 855495192 and 855495201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3564444 + ... + 3564683.

It is an arithmetic number, because the mean of its divisors is an integer number (80202690).

Almost surely, 2^855495240 is an apocalyptic number.

It is an amenable number.

855495240 is an abundant number, since it is smaller than the sum of its proper divisors (1710990840).

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

855495240 is a wasteful number, since it uses less digits than its factorization.

855495240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7129141 (or 7129137 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The square root of 855495240 is about 29248.8502338126. The cubic root of 855495240 is about 949.3052131333.

The spelling of 855495240 in words is "eight hundred fifty-five million, four hundred ninety-five thousand, two hundred forty".