2290868249868 has 144 divisors (see below), whose sum is σ = 6553603274400. Its totient is φ = 668364533760.

The previous prime is 2290868249827. The next prime is 2290868249899. The reversal of 2290868249868 is 8689428680922.

2290868249868 is a `hidden beast` number, since 229 + 0 + 86 + 8 + 249 + 86 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2290868249796 and 2290868249805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3771298 + ... + 4336406.

It is an arithmetic number, because the mean of its divisors is an integer number (45511133850).

Almost surely, 2^{2290868249868} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2290868249868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3276801637200).

2290868249868 is an abundant number, since it is smaller than the sum of its proper divisors (4262735024532).

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

2290868249868 is a wasteful number, since it uses less digits than its factorization.

2290868249868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565512 (or 565507 counting only the distinct ones).

The product of its (nonzero) digits is 382205952, while the sum is 72.

The spelling of 2290868249868 in words is "two trillion, two hundred ninety billion, eight hundred sixty-eight million, two hundred forty-nine thousand, eight hundred sixty-eight".