12740523763540 has 24 divisors (see below), whose sum is σ = 26756132296320. Its totient is φ = 5096012859168.

The previous prime is 12740523763463. The next prime is 12740523763613. The reversal of 12740523763540 is 4536732504721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11758560 + ... + 12796279.

It is an arithmetic number, because the mean of its divisors is an integer number (1114838845680).

Almost surely, 2^{12740523763540} is an apocalyptic number.

12740523763540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12740523763540 is an abundant number, since it is smaller than the sum of its proper divisors (14015608532780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12740523763540 is a wasteful number, since it uses less digits than its factorization.

12740523763540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24580791 (or 24580789 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 49.

The spelling of 12740523763540 in words is "twelve trillion, seven hundred forty billion, five hundred twenty-three million, seven hundred sixty-three thousand, five hundred forty".