2628530860 has 24 divisors (see below), whose sum is σ = 5551829136. Its totient is φ = 1045333440.

The previous prime is 2628530767. The next prime is 2628530881. The reversal of 2628530860 is 680358262.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376386 + ... + 383305.

It is an arithmetic number, because the mean of its divisors is an integer number (231326214).

Almost surely, 2^2628530860 is an apocalyptic number.

2628530860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2628530860 is an abundant number, since it is smaller than the sum of its proper divisors (2923298276).

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

2628530860 is a wasteful number, since it uses less digits than its factorization.

2628530860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759873 (or 759871 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 2628530860 is about 51269.1999157389. The cubic root of 2628530860 is about 1380.0803110861.

The spelling of 2628530860 in words is "two billion, six hundred twenty-eight million, five hundred thirty thousand, eight hundred sixty".