2766140403648 has 56 divisors (see below), whose sum is σ = 7319342018640. Its totient is φ = 921971773440.

The previous prime is 2766140403641. The next prime is 2766140403709. The reversal of 2766140403648 is 8463040416672.

It is a self number, because there is not a number n which added to its sum of digits gives 2766140403648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2766140403641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1804888 + ... + 2964776.

Almost surely, 2^{2766140403648} is an apocalyptic number.

It is an amenable number.

2766140403648 is an abundant number, since it is smaller than the sum of its proper divisors (4553201614992).

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

2766140403648 is a wasteful number, since it uses less digits than its factorization.

2766140403648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172325 (or 1172315 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 51.

The spelling of 2766140403648 in words is "two trillion, seven hundred sixty-six billion, one hundred forty million, four hundred three thousand, six hundred forty-eight".