4320987840 has 336 divisors, whose sum is σ = 16146146016. Its totient is φ = 1054310400.

The previous prime is 4320987773. The next prime is 4320987877. The reversal of 4320987840 is 487890234.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4904200 + ... + 4905080.

It is an arithmetic number, because the mean of its divisors is an integer number (48054006).

Almost surely, 2^4320987840 is an apocalyptic number.

4320987840 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 4320987840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8073073008).

4320987840 is an abundant number, since it is smaller than the sum of its proper divisors (11825158176).

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

4320987840 is a wasteful number, since it uses less digits than its factorization.

4320987840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1035 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 4320987840 is about 65734.2212245646. The cubic root of 4320987840 is about 1628.7746998616.

The spelling of 4320987840 in words is "four billion, three hundred twenty million, nine hundred eighty-seven thousand, eight hundred forty".