2556763068192 has 48 divisors (see below), whose sum is σ = 6711708703392. Its totient is φ = 852228241920.

The previous prime is 2556763068173. The next prime is 2556763068193. The reversal of 2556763068192 is 2918603676552.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (2556763068193) 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 7 ways as a sum of consecutive naturals, for example, 2878467 + ... + 3660477.

It is an arithmetic number, because the mean of its divisors is an integer number (139827264654).

Almost surely, 2^{2556763068192} is an apocalyptic number.

It is an amenable number.

2556763068192 is an abundant number, since it is smaller than the sum of its proper divisors (4154945635200).

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

2556763068192 is a wasteful number, since it uses less digits than its factorization.

2556763068192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816081 (or 816073 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 60.

The spelling of 2556763068192 in words is "two trillion, five hundred fifty-six billion, seven hundred sixty-three million, sixty-eight thousand, one hundred ninety-two".