4208240660 has 24 divisors (see below), whose sum is σ = 9517098696. Its totient is φ = 1553811840.

The previous prime is 4208240653. The next prime is 4208240681. The reversal of 4208240660 is 660428024.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 75550864 + 4132689796 = 8692^2 + 64286^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8092511 + ... + 8093030.

It is an arithmetic number, because the mean of its divisors is an integer number (396545779).

Almost surely, 2^4208240660 is an apocalyptic number.

It is an amenable number.

4208240660 is an abundant number, since it is smaller than the sum of its proper divisors (5308858036).

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

4208240660 is a wasteful number, since it uses less digits than its factorization.

4208240660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16185563 (or 16185561 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 4208240660 is about 64870.9539008022. The cubic root of 4208240660 is about 1614.4831722705.

Adding to 4208240660 its reverse (660428024), we get a palindrome (4868668684).

The spelling of 4208240660 in words is "four billion, two hundred eight million, two hundred forty thousand, six hundred sixty".