12744227556040 has 32 divisors (see below), whose sum is σ = 29373890346360. Its totient is φ = 4973357094400.

The previous prime is 12744227556023. The next prime is 12744227556043. The reversal of 12744227556040 is 4065572244721.

It can be written as a sum of positive squares in 4 ways, for example, as 8755172059396 + 3989055496644 = 2958914^2 + 1997262^2 .

It is not an unprimeable number, because it can be changed into a prime (12744227556043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3885433591 + ... + 3885436870.

Almost surely, 2^{12744227556040} is an apocalyptic number.

12744227556040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12744227556040 is an abundant number, since it is smaller than the sum of its proper divisors (16629662790320).

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

12744227556040 is a wasteful number, since it uses less digits than its factorization.

12744227556040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7770870513 (or 7770870509 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 49.

The spelling of 12744227556040 in words is "twelve trillion, seven hundred forty-four billion, two hundred twenty-seven million, five hundred fifty-six thousand, forty".