870539648040 has 96 divisors (see below), whose sum is σ = 2861043330600. Its totient is φ = 229535539200.

The previous prime is 870539647993. The next prime is 870539648053. The reversal of 870539648040 is 40846935078.

870539648040 is a `hidden beast` number, since 8 + 7 + 0 + 539 + 64 + 8 + 0 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 296669766276 + 573869881764 = 544674^2 + 757542^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13553161 + ... + 13617240.

Almost surely, 2^870539648040 is an apocalyptic number.

It is an amenable number.

870539648040 is an abundant number, since it is smaller than the sum of its proper divisors (1990503682560).

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

870539648040 is a wasteful number, since it uses less digits than its factorization.

870539648040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27170507 (or 27170500 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 870539648040 in words is "eight hundred seventy billion, five hundred thirty-nine million, six hundred forty-eight thousand, forty".