2231143620460 has 72 divisors (see below), whose sum is σ = 4978192368240. Its totient is φ = 839796857856.

The previous prime is 2231143620401. The next prime is 2231143620553. The reversal of 2231143620460 is 640263411322.

It is a super-3 number, since 3×2231143620460³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32119446 + ... + 32188834.

It is an arithmetic number, because the mean of its divisors is an integer number (69141560670).

Almost surely, 2^{2231143620460} is an apocalyptic number.

2231143620460 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 2231143620460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2489096184120).

2231143620460 is an abundant number, since it is smaller than the sum of its proper divisors (2747048747780).

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

2231143620460 is a wasteful number, since it uses less digits than its factorization.

2231143620460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74995 (or 74976 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 2231143620460 in words is "two trillion, two hundred thirty-one billion, one hundred forty-three million, six hundred twenty thousand, four hundred sixty".