2540271917692 has 6 divisors (see below), whose sum is σ = 4445475855968. Its totient is φ = 1270135958844.

The previous prime is 2540271917681. The next prime is 2540271917707. The reversal of 2540271917692 is 2967191720452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317533989708 + ... + 317533989715.

Almost surely, 2^{2540271917692} is an apocalyptic number.

It is an amenable number.

2540271917692 is a deficient number, since it is larger than the sum of its proper divisors (1905203938276).

2540271917692 is a wasteful number, since it uses less digits than its factorization.

2540271917692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635067979427 (or 635067979425 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 55.

The spelling of 2540271917692 in words is "two trillion, five hundred forty billion, two hundred seventy-one million, nine hundred seventeen thousand, six hundred ninety-two".