4128248640 has 56 divisors (see below), whose sum is σ = 13107192480. Its totient is φ = 1100866048.

The previous prime is 4128248639. The next prime is 4128248651. The reversal of 4128248640 is 468428214.

It is a congruent number.

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, 2149170 + ... + 2151089.

Almost surely, 2^4128248640 is an apocalyptic number.

4128248640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4128248640 is an abundant number, since it is smaller than the sum of its proper divisors (8978943840).

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

4128248640 is a wasteful number, since it uses less digits than its factorization.

4128248640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300279 (or 4300269 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 39.

The square root of 4128248640 is about 64251.4485439823. The cubic root of 4128248640 is about 1604.1880696472.

The spelling of 4128248640 in words is "four billion, one hundred twenty-eight million, two hundred forty-eight thousand, six hundred forty".