4321555240 has 16 divisors (see below), whose sum is σ = 9723499380. Its totient is φ = 1728622080.

The previous prime is 4321555237. The next prime is 4321555253. The reversal of 4321555240 is 425551234.

It can be written as a sum of positive squares in 2 ways, for example, as 3487847364 + 833707876 = 59058^2 + 28874^2 .

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 3 ways as a sum of consecutive naturals, for example, 54019401 + ... + 54019480.

Almost surely, 2^4321555240 is an apocalyptic number.

4321555240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4321555240 is an abundant number, since it is smaller than the sum of its proper divisors (5401944140).

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

4321555240 is a wasteful number, since it uses less digits than its factorization.

4321555240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108038892 (or 108038888 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 4321555240 is about 65738.5369475166. The cubic root of 4321555240 is about 1628.8459896030.

The spelling of 4321555240 in words is "four billion, three hundred twenty-one million, five hundred fifty-five thousand, two hundred forty".