1680044432960 has 28 divisors (see below), whose sum is σ = 4000605806748. Its totient is φ = 672017773056.

The previous prime is 1680044432953. The next prime is 1680044432999. The reversal of 1680044432960 is 692344400861.

It can be written as a sum of positive squares in 2 ways, for example, as 553202738176 + 1126841694784 = 743776^2 + 1061528^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 2625069107 + ... + 2625069746.

Almost surely, 2^{1680044432960} is an apocalyptic number.

1680044432960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1680044432960 is an abundant number, since it is smaller than the sum of its proper divisors (2320561373788).

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

1680044432960 is an equidigital number, since it uses as much as digits as its factorization.

1680044432960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5250138870 (or 5250138860 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 1680044432960 in words is "one trillion, six hundred eighty billion, forty-four million, four hundred thirty-two thousand, nine hundred sixty".