4280647680 has 192 divisors, whose sum is σ = 14844463920. Its totient is φ = 1141112832.

The previous prime is 4280647669. The next prime is 4280647687. The reversal of 4280647680 is 867460824.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4280647687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1473109 + ... + 1476011.

Almost surely, 2^4280647680 is an apocalyptic number.

4280647680 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 4280647680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7422231960).

4280647680 is an abundant number, since it is smaller than the sum of its proper divisors (10563816240).

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

4280647680 is an equidigital number, since it uses as much as digits as its factorization.

4280647680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944 (or 2913 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 4280647680 is about 65426.6587867667. The cubic root of 4280647680 is about 1623.6901703745.

The spelling of 4280647680 in words is "four billion, two hundred eighty million, six hundred forty-seven thousand, six hundred eighty".