1680044572 has 24 divisors (see below), whose sum is σ = 3010824432. Its totient is φ = 819840000.

The previous prime is 1680044551. The next prime is 1680044599. The reversal of 1680044572 is 2754400861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272322 + ... + 278422.

It is an arithmetic number, because the mean of its divisors is an integer number (125451018).

Almost surely, 2^1680044572 is an apocalyptic number.

It is an amenable number.

1680044572 is a deficient number, since it is larger than the sum of its proper divisors (1330779860).

1680044572 is a wasteful number, since it uses less digits than its factorization.

1680044572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7749 (or 7747 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 1680044572 is about 40988.3467829577. The cubic root of 1680044572 is about 1188.7949036537.

The spelling of 1680044572 in words is "one billion, six hundred eighty million, forty-four thousand, five hundred seventy-two".