840880848448 has 14 divisors (see below), whose sum is σ = 1668622933766. Its totient is φ = 420440424192.

The previous prime is 840880848377. The next prime is 840880848463. The reversal of 840880848448 is 844848088048.

It can be written as a sum of positive squares in only one way, i.e., 810518482944 + 30362365504 = 900288^2 + 174248^2 .

It is a Harshad number since it is a multiple of its sum of digits (64), and also a Moran number because the ratio is a prime number: 13138763257 = 840880848448 / (8 + 4 + 0 + 8 + 8 + 0 + 8 + 4 + 8 + 4 + 4 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 840880848448.

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 as a sum of consecutive naturals, namely, 6569381565 + ... + 6569381692.

Almost surely, 2^840880848448 is an apocalyptic number.

It is an amenable number.

840880848448 is a deficient number, since it is larger than the sum of its proper divisors (827742085318).

840880848448 is a wasteful number, since it uses less digits than its factorization.

840880848448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13138763269 (or 13138763259 counting only the distinct ones).

The product of its (nonzero) digits is 67108864, while the sum is 64.

The spelling of 840880848448 in words is "eight hundred forty billion, eight hundred eighty million, eight hundred forty-eight thousand, four hundred forty-eight".