10707984640 has 36 divisors (see below), whose sum is σ = 25648972524. Its totient is φ = 4283193344.

The previous prime is 10707984607. The next prime is 10707984647. The reversal of 10707984640 is 4648970701.

It can be written as a sum of positive squares in 2 ways, for example, as 7332839424 + 3375145216 = 85632^2 + 58096^2 .

It is a super-2 number, since 2×10707984640² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10707984647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4181527 + ... + 4184086.

It is an arithmetic number, because the mean of its divisors is an integer number (712471459).

Almost surely, 2^10707984640 is an apocalyptic number.

10707984640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10707984640 is an abundant number, since it is smaller than the sum of its proper divisors (14940987884).

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

10707984640 is an frugal number, since it uses more digits than its factorization.

10707984640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8365634 (or 8365620 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 10707984640 in words is "ten billion, seven hundred seven million, nine hundred eighty-four thousand, six hundred forty".