4260303440 has 160 divisors (see below), whose sum is σ = 10461830400. Its totient is φ = 1611878400.

The previous prime is 4260303419. The next prime is 4260303449. The reversal of 4260303440 is 443030624.

It is a Cunningham number, because it is equal to 65271²-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4260303449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21408461 + ... + 21408659.

It is an arithmetic number, because the mean of its divisors is an integer number (65386440).

Almost surely, 2^4260303440 is an apocalyptic number.

4260303440 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 4260303440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5230915200).

4260303440 is an abundant number, since it is smaller than the sum of its proper divisors (6201526960).

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

4260303440 is a wasteful number, since it uses less digits than its factorization.

4260303440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 4260303440 is about 65270.9999923396. Note that the first 5 decimals coincide. The cubic root of 4260303440 is about 1621.1138303630.

The spelling of 4260303440 in words is "four billion, two hundred sixty million, three hundred three thousand, four hundred forty".