2148866814880 has 48 divisors (see below), whose sum is σ = 5077633637160. Its totient is φ = 859388285952.

The previous prime is 2148866814833. The next prime is 2148866814883. The reversal of 2148866814880 is 884186688412.

It can be written as a sum of positive squares in 4 ways, for example, as 1316444148496 + 832422666384 = 1147364^2 + 912372^2 .

It is not an unprimeable number, because it can be changed into a prime (2148866814883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365175 + ... + 2105014.

Almost surely, 2^{2148866814880} is an apocalyptic number.

2148866814880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2148866814880 is an abundant number, since it is smaller than the sum of its proper divisors (2928766822280).

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

2148866814880 is a wasteful number, since it uses less digits than its factorization.

2148866814880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475641 (or 2475633 counting only the distinct ones).

The product of its (nonzero) digits is 37748736, while the sum is 64.

The spelling of 2148866814880 in words is "two trillion, one hundred forty-eight billion, eight hundred sixty-six million, eight hundred fourteen thousand, eight hundred eighty".