855840467481 has 16 divisors (see below), whose sum is σ = 1156096204800. Its totient is φ = 563079158928.

The previous prime is 855840467437. The next prime is 855840467551. The reversal of 855840467481 is 184764048558.

It is a happy number.

It is not a de Polignac number, because 855840467481 - 2¹⁰ = 855840466457 is a prime.

It is a super-2 number, since 2×855840467481² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (855840467411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312201 + ... + 1345046.

It is an arithmetic number, because the mean of its divisors is an integer number (72256012800).

Almost surely, 2^855840467481 is an apocalyptic number.

It is an amenable number.

855840467481 is a deficient number, since it is larger than the sum of its proper divisors (300255737319).

855840467481 is a wasteful number, since it uses less digits than its factorization.

855840467481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659508.

The product of its (nonzero) digits is 34406400, while the sum is 60.

The spelling of 855840467481 in words is "eight hundred fifty-five billion, eight hundred forty million, four hundred sixty-seven thousand, four hundred eighty-one".