2628560740 has 48 divisors (see below), whose sum is σ = 6294283632. Its totient is φ = 913453056.

The previous prime is 2628560729. The next prime is 2628560747. The reversal of 2628560740 is 470658262.

2628560740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 165225316 + 2463335424 = 12854^2 + 49632^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2628560693 and 2628560702.

It is not an unprimeable number, because it can be changed into a prime (2628560747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292929 + ... + 301768.

It is an arithmetic number, because the mean of its divisors is an integer number (131130909).

Almost surely, 2^2628560740 is an apocalyptic number.

2628560740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2628560740 is an abundant number, since it is smaller than the sum of its proper divisors (3665722892).

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

2628560740 is a wasteful number, since it uses less digits than its factorization.

2628560740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594736 (or 594734 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 2628560740 is about 51269.4913179368. The cubic root of 2628560740 is about 1380.0855404513.

It can be divided in two parts, 26285 and 60740, that added together give a square (87025 = 295²).

The spelling of 2628560740 in words is "two billion, six hundred twenty-eight million, five hundred sixty thousand, seven hundred forty".