4120641640 has 32 divisors (see below), whose sum is σ = 9320002560. Its totient is φ = 1639624000.

The previous prime is 4120641631. The next prime is 4120641643. The reversal of 4120641640 is 461460214.

It is a junction number, because it is equal to n+sod(n) for n = 4120641599 and 4120641608.

It is not an unprimeable number, because it can be changed into a prime (4120641643) 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, 262036 + ... + 277315.

It is an arithmetic number, because the mean of its divisors is an integer number (291250080).

Almost surely, 2^4120641640 is an apocalyptic number.

4120641640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4120641640 is an abundant number, since it is smaller than the sum of its proper divisors (5199360920).

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

4120641640 is a wasteful number, since it uses less digits than its factorization.

4120641640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539553 (or 539549 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 4120641640 is about 64192.2241396884. The cubic root of 4120641640 is about 1603.2021340607.

The spelling of 4120641640 in words is "four billion, one hundred twenty million, six hundred forty-one thousand, six hundred forty".