2687440005936 has 60 divisors (see below), whose sum is σ = 8595542244432. Its totient is φ = 767840001408.

The previous prime is 2687440005923. The next prime is 2687440005937. The reversal of 2687440005936 is 6395000447862.

2687440005936 is a `hidden beast` number, since 2 + 6 + 8 + 7 + 4 + 40 + 0 + 0 + 593 + 6 = 666.

2687440005936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2687440005937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1333054551 + ... + 1333056566.

Almost surely, 2^{2687440005936} is an apocalyptic number.

It is an amenable number.

2687440005936 is an abundant number, since it is smaller than the sum of its proper divisors (5908102238496).

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

2687440005936 is a wasteful number, since it uses less digits than its factorization.

2687440005936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666111138 (or 2666111129 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 2687440005936 in words is "two trillion, six hundred eighty-seven billion, four hundred forty million, five thousand, nine hundred thirty-six".