2265782818208 has 48 divisors (see below), whose sum is σ = 5490166066560. Its totient is φ = 896353641216.

The previous prime is 2265782818207. The next prime is 2265782818231. The reversal of 2265782818208 is 8028182875622.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2265782818207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389039468 + ... + 389045291.

It is an arithmetic number, because the mean of its divisors is an integer number (114378459720).

Almost surely, 2^{2265782818208} is an apocalyptic number.

2265782818208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2265782818208 is an abundant number, since it is smaller than the sum of its proper divisors (3224383248352).

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

2265782818208 is a wasteful number, since it uses less digits than its factorization.

2265782818208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778084789 (or 778084781 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 59.

The spelling of 2265782818208 in words is "two trillion, two hundred sixty-five billion, seven hundred eighty-two million, eight hundred eighteen thousand, two hundred eight".