4128008940 has 96 divisors (see below), whose sum is σ = 14010232320. Its totient is φ = 1000728000.

The previous prime is 4128008923. The next prime is 4128008959. The reversal of 4128008940 is 498008214.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4128008895 and 4128008904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341536 + ... + 353415.

It is an arithmetic number, because the mean of its divisors is an integer number (145939920).

Almost surely, 2^4128008940 is an apocalyptic number.

It is an amenable number.

4128008940 is an abundant number, since it is smaller than the sum of its proper divisors (9882223380).

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

4128008940 is a wasteful number, since it uses less digits than its factorization.

4128008940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694980 (or 694972 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 4128008940 is about 64249.5831893095. The cubic root of 4128008940 is about 1604.1570208614.

The spelling of 4128008940 in words is "four billion, one hundred twenty-eight million, eight thousand, nine hundred forty".