2566264770 has 48 divisors (see below), whose sum is σ = 6798193272. Its totient is φ = 671424000.

The previous prime is 2566264769. The next prime is 2566264783. The reversal of 2566264770 is 774626652.

2566264770 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 can be written as a sum of positive squares in 4 ways, for example, as 1711228689 + 855036081 = 41367^2 + 29241^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264231 + ... + 273770.

Almost surely, 2^2566264770 is an apocalyptic number.

2566264770 is an abundant number, since it is smaller than the sum of its proper divisors (4231928502).

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

2566264770 is a wasteful number, since it uses less digits than its factorization.

2566264770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538067 (or 538064 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The square root of 2566264770 is about 50658.3139277256. The cubic root of 2566264770 is about 1369.0957447715.

The spelling of 2566264770 in words is "two billion, five hundred sixty-six million, two hundred sixty-four thousand, seven hundred seventy".