10485816720 has 40 divisors (see below), whose sum is σ = 32506032576. Its totient is φ = 2796217728.

The previous prime is 10485816697. The next prime is 10485816721. The reversal of 10485816720 is 2761858401.

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

It is not an unprimeable number, because it can be changed into a prime (10485816721) by changing a digit.

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, 21845212 + ... + 21845691.

Almost surely, 2^10485816720 is an apocalyptic number.

10485816720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10485816720 is an abundant number, since it is smaller than the sum of its proper divisors (22020215856).

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

10485816720 is a wasteful number, since it uses less digits than its factorization.

10485816720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43690919 (or 43690913 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 10485816720 in words is "ten billion, four hundred eighty-five million, eight hundred sixteen thousand, seven hundred twenty".