2755668680 has 32 divisors (see below), whose sum is σ = 6201748800. Its totient is φ = 1102001856.

The previous prime is 2755668659. The next prime is 2755668683. The reversal of 2755668680 is 868665572.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2755668683) 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, 322949 + ... + 331371.

It is an arithmetic number, because the mean of its divisors is an integer number (193804650).

Almost surely, 2^2755668680 is an apocalyptic number.

2755668680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2755668680 is an abundant number, since it is smaller than the sum of its proper divisors (3446080120).

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

2755668680 is a wasteful number, since it uses less digits than its factorization.

2755668680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16613 (or 16609 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 53.

The square root of 2755668680 is about 52494.4633270976. The cubic root of 2755668680 is about 1401.9816630725.

The spelling of 2755668680 in words is "two billion, seven hundred fifty-five million, six hundred sixty-eight thousand, six hundred eighty".