4121722880 has 128 divisors (see below), whose sum is σ = 10795973760. Its totient is φ = 1498152960.

The previous prime is 4121722867. The next prime is 4121722901. The reversal of 4121722880 is 882271214.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 4121722880.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1801097 + ... + 1803383.

It is an arithmetic number, because the mean of its divisors is an integer number (84343545).

Almost surely, 2^4121722880 is an apocalyptic number.

4121722880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4121722880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5397986880).

4121722880 is an abundant number, since it is smaller than the sum of its proper divisors (6674250880).

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

4121722880 is an equidigital number, since it uses as much as digits as its factorization.

4121722880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333 (or 2305 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 4121722880 is about 64200.6454796212. The cubic root of 4121722880 is about 1603.3423464218.

The spelling of 4121722880 in words is "four billion, one hundred twenty-one million, seven hundred twenty-two thousand, eight hundred eighty".