855095655420 has 96 divisors (see below), whose sum is σ = 2746113699840. Its totient is φ = 220669842240.

The previous prime is 855095655413. The next prime is 855095655431. The reversal of 855095655420 is 24556590558.

It is a happy number.

855095655420 is a `hidden beast` number, since 8 + 5 + 5 + 0 + 9 + 565 + 54 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25523752 + ... + 25557231.

It is an arithmetic number, because the mean of its divisors is an integer number (28605351040).

Almost surely, 2^855095655420 is an apocalyptic number.

It is an amenable number.

855095655420 is an abundant number, since it is smaller than the sum of its proper divisors (1891018044420).

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

855095655420 is a wasteful number, since it uses less digits than its factorization.

855095655420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51081032 (or 51081024 counting only the distinct ones).

The product of its (nonzero) digits is 10800000, while the sum is 54.

The spelling of 855095655420 in words is "eight hundred fifty-five billion, ninety-five million, six hundred fifty-five thousand, four hundred twenty".