2144571801120 has 576 divisors, whose sum is σ = 8640236666880. Its totient is φ = 474012518400.

The previous prime is 2144571801059. The next prime is 2144571801193. The reversal of 2144571801120 is 211081754412.

2144571801120 is a `hidden beast` number, since 2 + 1 + 4 + 4 + 571 + 80 + 1 + 1 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 768386925 + ... + 768389715.

It is an arithmetic number, because the mean of its divisors is an integer number (15000410880).

Almost surely, 2^{2144571801120} is an apocalyptic number.

2144571801120 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 2144571801120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4320118333440).

2144571801120 is an abundant number, since it is smaller than the sum of its proper divisors (6495664865760).

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

2144571801120 is a wasteful number, since it uses less digits than its factorization.

2144571801120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5309 (or 5298 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The spelling of 2144571801120 in words is "two trillion, one hundred forty-four billion, five hundred seventy-one million, eight hundred one thousand, one hundred twenty".