4491867560 has 16 divisors (see below), whose sum is σ = 10106702100. Its totient is φ = 1796747008.

The previous prime is 4491867559. The next prime is 4491867563. The reversal of 4491867560 is 657681944.

It can be written as a sum of positive squares in 2 ways, for example, as 4473736996 + 18130564 = 66886^2 + 4258^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4491867499 and 4491867508.

It is not an unprimeable number, because it can be changed into a prime (4491867563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56148305 + ... + 56148384.

Almost surely, 2^4491867560 is an apocalyptic number.

4491867560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4491867560 is an abundant number, since it is smaller than the sum of its proper divisors (5614834540).

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

4491867560 is a wasteful number, since it uses less digits than its factorization.

4491867560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112296700 (or 112296696 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 4491867560 is about 67021.3962850671. The cubic root of 4491867560 is about 1649.9684793489.

The spelling of 4491867560 in words is "four billion, four hundred ninety-one million, eight hundred sixty-seven thousand, five hundred sixty".