2540706538001 has 4 divisors (see below), whose sum is σ = 2565373591872. Its totient is φ = 2516039484132.

The previous prime is 2540706537983. The next prime is 2540706538009. The reversal of 2540706538001 is 1008356070452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2540706538001 - 2²⁶ = 2540639429137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2540706538001.

It is not an unprimeable number, because it can be changed into a prime (2540706538009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12333526781 + ... + 12333526986.

It is an arithmetic number, because the mean of its divisors is an integer number (641343397968).

Almost surely, 2^{2540706538001} is an apocalyptic number.

It is an amenable number.

2540706538001 is a deficient number, since it is larger than the sum of its proper divisors (24667053871).

2540706538001 is a wasteful number, since it uses less digits than its factorization.

2540706538001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24667053870.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 2540706538001 in words is "two trillion, five hundred forty billion, seven hundred six million, five hundred thirty-eight thousand, one".