2140344556587 has 12 divisors (see below), whose sum is σ = 3092370899800. Its totient is φ = 1426544634528.

The previous prime is 2140344556573. The next prime is 2140344556589. The reversal of 2140344556587 is 7856554430412.

2140344556587 is a `hidden beast` number, since 2 + 1 + 4 + 0 + 3 + 4 + 4 + 5 + 56 + 587 = 666.

It is not a de Polignac number, because 2140344556587 - 2²⁰ = 2140343508011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140344556589) 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, 29272837 + ... + 29345862.

Almost surely, 2^{2140344556587} is an apocalyptic number.

2140344556587 is a deficient number, since it is larger than the sum of its proper divisors (952026343213).

2140344556587 is a wasteful number, since it uses less digits than its factorization.

2140344556587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58622762 (or 58622759 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 54.

Adding to 2140344556587 its reverse (7856554430412), we get a palindrome (9996898986999).

The spelling of 2140344556587 in words is "two trillion, one hundred forty billion, three hundred forty-four million, five hundred fifty-six thousand, five hundred eighty-seven".