4491346860 has 576 divisors, whose sum is σ = 19112163840. Its totient is φ = 860751360.

The previous prime is 4491346813. The next prime is 4491346877. The reversal of 4491346860 is 686431944.

4491346860 is a `hidden beast` number, since 44 + 91 + 3 + 468 + 60 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3783187 + ... + 3784373.

It is an arithmetic number, because the mean of its divisors is an integer number (33180840).

Almost surely, 2^4491346860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4491346860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9556081920).

4491346860 is an abundant number, since it is smaller than the sum of its proper divisors (14620816980).

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

4491346860 is a wasteful number, since it uses less digits than its factorization.

4491346860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243 (or 1228 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 4491346860 is about 67017.5115921205. The cubic root of 4491346860 is about 1649.9047217711.

The spelling of 4491346860 in words is "four billion, four hundred ninety-one million, three hundred forty-six thousand, eight hundred sixty".