4160821940 has 48 divisors (see below), whose sum is σ = 9674368704. Its totient is φ = 1490438400.

The previous prime is 4160821937. The next prime is 4160821967. The reversal of 4160821940 is 491280614.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4160821940.

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 15 ways as a sum of consecutive naturals, for example, 126401 + ... + 155880.

It is an arithmetic number, because the mean of its divisors is an integer number (201549348).

Almost surely, 2^4160821940 is an apocalyptic number.

It is an amenable number.

4160821940 is an abundant number, since it is smaller than the sum of its proper divisors (5513546764).

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

4160821940 is a wasteful number, since it uses less digits than its factorization.

4160821940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282368 (or 282366 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 4160821940 is about 64504.4334910400. The cubic root of 4160821940 is about 1608.3962193875.

The spelling of 4160821940 in words is "four billion, one hundred sixty million, eight hundred twenty-one thousand, nine hundred forty".