4128992740 has 96 divisors (see below), whose sum is σ = 9232846560. Its totient is φ = 1548288000.

The previous prime is 4128992737. The next prime is 4128992779. The reversal of 4128992740 is 472998214.

It can be written as a sum of positive squares in 16 ways, for example, as 1365598116 + 2763394624 = 36954^2 + 52568^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9535564 + ... + 9535996.

It is an arithmetic number, because the mean of its divisors is an integer number (96175485).

Almost surely, 2^4128992740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4128992740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4616423280).

4128992740 is an abundant number, since it is smaller than the sum of its proper divisors (5103853820).

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

4128992740 is a wasteful number, since it uses less digits than its factorization.

4128992740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 4128992740 is about 64257.2388140044. The cubic root of 4128992740 is about 1604.2844466450.

The spelling of 4128992740 in words is "four billion, one hundred twenty-eight million, nine hundred ninety-two thousand, seven hundred forty".