2540938710087 has 24 divisors (see below), whose sum is σ = 3755694800000. Its totient is φ = 1654522683408.

The previous prime is 2540938710049. The next prime is 2540938710103. The reversal of 2540938710087 is 7800178390452.

It is a happy number.

2540938710087 is a `hidden beast` number, since 2 + 540 + 9 + 3 + 8 + 7 + 10 + 0 + 87 = 666.

It is not a de Polignac number, because 2540938710087 - 2¹⁰ = 2540938709063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540938710007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24522414 + ... + 24625812.

Almost surely, 2^{2540938710087} is an apocalyptic number.

2540938710087 is a deficient number, since it is larger than the sum of its proper divisors (1214756089913).

2540938710087 is a wasteful number, since it uses less digits than its factorization.

2540938710087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166947 (or 166944 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 2540938710087 in words is "two trillion, five hundred forty billion, nine hundred thirty-eight million, seven hundred ten thousand, eighty-seven".