2281203179520 has 336 divisors, whose sum is σ = 7363724940288. Its totient is φ = 603006566400.

The previous prime is 2281203179501. The next prime is 2281203179527. The reversal of 2281203179520 is 259713021822.

It is not an unprimeable number, because it can be changed into a prime (2281203179527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1981930945 + ... + 1981932095.

Almost surely, 2^{2281203179520} is an apocalyptic number.

2281203179520 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 2281203179520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3681862470144).

2281203179520 is an abundant number, since it is smaller than the sum of its proper divisors (5082521760768).

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

2281203179520 is an equidigital number, since it uses as much as digits as its factorization.

2281203179520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439 (or 1288 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 2281203179520 in words is "two trillion, two hundred eighty-one billion, two hundred three million, one hundred seventy-nine thousand, five hundred twenty".