2286664890640 has 40 divisors (see below), whose sum is σ = 5725457094168. Its totient is φ = 844307036160.

The previous prime is 2286664890613. The next prime is 2286664890703. The reversal of 2286664890640 is 460984666822.

It can be written as a sum of positive squares in 4 ways, for example, as 442805070096 + 1843859820544 = 665436^2 + 1357888^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1099357081 + ... + 1099359160.

Almost surely, 2^{2286664890640} is an apocalyptic number.

2286664890640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2286664890640 is an abundant number, since it is smaller than the sum of its proper divisors (3438792203528).

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

2286664890640 is a wasteful number, since it uses less digits than its factorization.

2286664890640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198716267 (or 2198716261 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 61.

The spelling of 2286664890640 in words is "two trillion, two hundred eighty-six billion, six hundred sixty-four million, eight hundred ninety thousand, six hundred forty".