2208894361380 has 144 divisors (see below), whose sum is σ = 7662272567040. Its totient is φ = 504575495424.

The previous prime is 2208894361369. The next prime is 2208894361393. The reversal of 2208894361380 is 831634988022.

2208894361380 is a `hidden beast` number, since 220 + 8 + 8 + 9 + 4 + 36 + 1 + 380 = 666.

It is a super-3 number, since 3×2208894361380³ (a number of 38 digits) contains 333 as substring.

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, 1479366 + ... + 2570274.

It is an arithmetic number, because the mean of its divisors is an integer number (53210226160).

Almost surely, 2^{2208894361380} is an apocalyptic number.

2208894361380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2208894361380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3831136283520).

2208894361380 is an abundant number, since it is smaller than the sum of its proper divisors (5453378205660).

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

2208894361380 is a wasteful number, since it uses less digits than its factorization.

2208894361380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092538 (or 1092533 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 2208894361380 in words is "two trillion, two hundred eight billion, eight hundred ninety-four million, three hundred sixty-one thousand, three hundred eighty".