855631070560 has 96 divisors (see below), whose sum is σ = 2431793629440. Its totient is φ = 277919258112.

The previous prime is 855631070501. The next prime is 855631070573. The reversal of 855631070560 is 65070136558.

It is a self number, because there is not a number n which added to its sum of digits gives 855631070560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20082834 + ... + 20125393.

It is an arithmetic number, because the mean of its divisors is an integer number (25331183640).

Almost surely, 2^855631070560 is an apocalyptic number.

855631070560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

855631070560 is an abundant number, since it is smaller than the sum of its proper divisors (1576162558880).

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

855631070560 is a wasteful number, since it uses less digits than its factorization.

855631070560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40208268 (or 40208260 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 46.

The spelling of 855631070560 in words is "eight hundred fifty-five billion, six hundred thirty-one million, seventy thousand, five hundred sixty".