2628442068 has 48 divisors (see below), whose sum is σ = 7021754880. Its totient is φ = 749636064.

The previous prime is 2628442049. The next prime is 2628442127. The reversal of 2628442068 is 8602448262.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19503 + ... + 75081.

It is an arithmetic number, because the mean of its divisors is an integer number (146286560).

Almost surely, 2^2628442068 is an apocalyptic number.

2628442068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2628442068 is an abundant number, since it is smaller than the sum of its proper divisors (4393312812).

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

2628442068 is a wasteful number, since it uses less digits than its factorization.

2628442068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56156 (or 56154 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 42.

The square root of 2628442068 is about 51268.3339694201. Note that the first 3 decimals coincide. The cubic root of 2628442068 is about 1380.0647711670.

The spelling of 2628442068 in words is "two billion, six hundred twenty-eight million, four hundred forty-two thousand, sixty-eight".