2143812428560 has 40 divisors (see below), whose sum is σ = 5437487889216. Its totient is φ = 779568155520.

The previous prime is 2143812428509. The next prime is 2143812428579. The reversal of 2143812428560 is 658242183412.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 2143812428560.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1218074364 + ... + 1218076123.

Almost surely, 2^{2143812428560} is an apocalyptic number.

2143812428560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143812428560 is an abundant number, since it is smaller than the sum of its proper divisors (3293675460656).

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

2143812428560 is a wasteful number, since it uses less digits than its factorization.

2143812428560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436150511 (or 2436150505 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 46.

The spelling of 2143812428560 in words is "two trillion, one hundred forty-three billion, eight hundred twelve million, four hundred twenty-eight thousand, five hundred sixty".