4491546360 has 128 divisors (see below), whose sum is σ = 15416593920. Its totient is φ = 1025505792.

The previous prime is 4491546317. The next prime is 4491546377. The reversal of 4491546360 is 636451944.

It is a happy number.

It is a Cunningham number, because it is equal to 67019²-1.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 935887 + ... + 940673.

It is an arithmetic number, because the mean of its divisors is an integer number (120442140).

Almost surely, 2^4491546360 is an apocalyptic number.

4491546360 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 4491546360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7708296960).

4491546360 is an abundant number, since it is smaller than the sum of its proper divisors (10925047560).

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

4491546360 is a wasteful number, since it uses less digits than its factorization.

4491546360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5925 (or 5921 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 4491546360 is about 67018.9999925394. Note that the first 5 decimals coincide. The cubic root of 4491546360 is about 1649.9291503095.

The spelling of 4491546360 in words is "four billion, four hundred ninety-one million, five hundred forty-six thousand, three hundred sixty".