2628545668 has 12 divisors (see below), whose sum is σ = 5257091392. Its totient is φ = 1126519560.

The previous prime is 2628545663. The next prime is 2628545677. The reversal of 2628545668 is 8665458262.

It is a happy number.

2628545668 is an admirable number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2628545663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46938288 + ... + 46938343.

Almost surely, 2^2628545668 is an apocalyptic number.

2628545668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2628545668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2628545668 is a wasteful number, since it uses less digits than its factorization.

2628545668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93876642 (or 93876640 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 52.

The square root of 2628545668 is about 51269.3443297259. The cubic root of 2628545668 is about 1380.0829026720.

The spelling of 2628545668 in words is "two billion, six hundred twenty-eight million, five hundred forty-five thousand, six hundred sixty-eight".