2628027261 has 12 divisors (see below), whose sum is σ = 3936633792. Its totient is φ = 1752018012.

The previous prime is 2628027253. The next prime is 2628027293. The reversal of 2628027261 is 1627208262.

2628027261 is a `hidden beast` number, since 2 + 628 + 0 + 2 + 7 + 26 + 1 = 666.

2628027261 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2628027261 - 2³ = 2628027253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628027221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5407221 + ... + 5407706.

It is an arithmetic number, because the mean of its divisors is an integer number (328052816).

Almost surely, 2^2628027261 is an apocalyptic number.

It is an amenable number.

2628027261 is a deficient number, since it is larger than the sum of its proper divisors (1308606531).

2628027261 is an equidigital number, since it uses as much as digits as its factorization.

2628027261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10814942 (or 10814930 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 2628027261 is about 51264.2883594418. The cubic root of 2628027261 is about 1379.9921691427.

The spelling of 2628027261 in words is "two billion, six hundred twenty-eight million, twenty-seven thousand, two hundred sixty-one".