4531491360 has 288 divisors, whose sum is σ = 17264415168. Its totient is φ = 1072834560.

The previous prime is 4531491329. The next prime is 4531491379. The reversal of 4531491360 is 631941354.

4531491360 is a `hidden beast` number, since 4 + 531 + 4 + 91 + 36 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 677794 + ... + 684446.

It is an arithmetic number, because the mean of its divisors is an integer number (59945886).

Almost surely, 2^4531491360 is an apocalyptic number.

4531491360 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 4531491360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8632207584).

4531491360 is an abundant number, since it is smaller than the sum of its proper divisors (12732923808).

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

4531491360 is a wasteful number, since it uses less digits than its factorization.

4531491360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6728 (or 6717 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 4531491360 is about 67316.3528423815. The cubic root of 4531491360 is about 1654.8058674028.

The spelling of 4531491360 in words is "four billion, five hundred thirty-one million, four hundred ninety-one thousand, three hundred sixty".