4281745328 has 20 divisors (see below), whose sum is σ = 9481007760. Its totient is φ = 1835033664.

The previous prime is 4281745313. The next prime is 4281745381. The reversal of 4281745328 is 8235471824.

It is a super-4 number, since 4×4281745328⁴ (a number of 40 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19114823 + ... + 19115046.

It is an arithmetic number, because the mean of its divisors is an integer number (474050388).

Almost surely, 2^4281745328 is an apocalyptic number.

It is an amenable number.

4281745328 is an abundant number, since it is smaller than the sum of its proper divisors (5199262432).

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

4281745328 is a wasteful number, since it uses less digits than its factorization.

4281745328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38229884 (or 38229878 counting only the distinct ones).

The product of its digits is 430080, while the sum is 44.

The square root of 4281745328 is about 65435.0466340477. The cubic root of 4281745328 is about 1623.8289412715.

The spelling of 4281745328 in words is "four billion, two hundred eighty-one million, seven hundred forty-five thousand, three hundred twenty-eight".