2628198653584 has 45 divisors (see below), whose sum is σ = 5923606162467. Its totient is φ = 1126351397472.

The previous prime is 2628198653581. The next prime is 2628198653627. The reversal of 2628198653584 is 4853568918262.

The square root of 2628198653584 is 1621172.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (2628198653581) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 45363867 + ... + 45421765.

Almost surely, 2^{2628198653584} is an apocalyptic number.

2628198653584 is the 1621172-nd square number.

It is an amenable number.

2628198653584 is an abundant number, since it is smaller than the sum of its proper divisors (3295407508883).

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

2628198653584 is an frugal number, since it uses more digits than its factorization.

2628198653584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115820 (or 57908 counting only the distinct ones).

The product of its digits is 199065600, while the sum is 67.

The spelling of 2628198653584 in words is "two trillion, six hundred twenty-eight billion, one hundred ninety-eight million, six hundred fifty-three thousand, five hundred eighty-four".