2628518628 has 48 divisors (see below), whose sum is σ = 6317393600. Its totient is φ = 849999744.

The previous prime is 2628518621. The next prime is 2628518677. The reversal of 2628518628 is 8268158262.

It is a happy number.

It is a super-2 number, since 2×2628518628² = 13818220355486004768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2628518621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146475 + ... + 163437.

Almost surely, 2^2628518628 is an apocalyptic number.

It is an amenable number.

2628518628 is an abundant number, since it is smaller than the sum of its proper divisors (3688874972).

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

2628518628 is a wasteful number, since it uses less digits than its factorization.

2628518628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17356 (or 17354 counting only the distinct ones).

The product of its digits is 737280, while the sum is 48.

The square root of 2628518628 is about 51269.0806237054. The cubic root of 2628518628 is about 1380.0781703251.

The spelling of 2628518628 in words is "two billion, six hundred twenty-eight million, five hundred eighteen thousand, six hundred twenty-eight".