2287998243840 has 352 divisors, whose sum is σ = 7437329138304. Its totient is φ = 600210800640.

The previous prime is 2287998243829. The next prime is 2287998243863. The reversal of 2287998243840 is 483428997822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1314185370 + ... + 1314187110.

Almost surely, 2^{2287998243840} is an apocalyptic number.

2287998243840 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 2287998243840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3718664569152).

2287998243840 is an abundant number, since it is smaller than the sum of its proper divisors (5149330894464).

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

2287998243840 is a wasteful number, since it uses less digits than its factorization.

2287998243840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113 (or 3095 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 66.

The spelling of 2287998243840 in words is "two trillion, two hundred eighty-seven billion, nine hundred ninety-eight million, two hundred forty-three thousand, eight hundred forty".