2540238630871 has 16 divisors (see below), whose sum is σ = 2683299232768. Its totient is φ = 2401003684800.

The previous prime is 2540238630763. The next prime is 2540238630973. The reversal of 2540238630871 is 1780368320452.

It is a cyclic number.

It is not a de Polignac number, because 2540238630871 - 2⁹ = 2540238630359 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 (2540238630571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36525451 + ... + 36594931.

It is an arithmetic number, because the mean of its divisors is an integer number (167706202048).

Almost surely, 2^{2540238630871} is an apocalyptic number.

2540238630871 is a deficient number, since it is larger than the sum of its proper divisors (143060601897).

2540238630871 is a wasteful number, since it uses less digits than its factorization.

2540238630871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96982.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 2540238630871 in words is "two trillion, five hundred forty billion, two hundred thirty-eight million, six hundred thirty thousand, eight hundred seventy-one".