2144052857856 has 704 divisors, whose sum is σ = 7395139584000. Its totient is φ = 536764022784.

The previous prime is 2144052857839. The next prime is 2144052857893. The reversal of 2144052857856 is 6587582504412.

It is a happy number.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2144052857796 and 2144052857805.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 893726545 + ... + 893728943.

Almost surely, 2^{2144052857856} is an apocalyptic number.

2144052857856 is a gapful number since it is divisible by the number (26) 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 2144052857856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3697569792000).

2144052857856 is an abundant number, since it is smaller than the sum of its proper divisors (5251086726144).

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

2144052857856 is a wasteful number, since it uses less digits than its factorization.

2144052857856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604 (or 2586 counting only the distinct ones).

The product of its (nonzero) digits is 21504000, while the sum is 57.

The spelling of 2144052857856 in words is "two trillion, one hundred forty-four billion, fifty-two million, eight hundred fifty-seven thousand, eight hundred fifty-six".