4491241560 has 512 divisors, whose sum is σ = 17650483200. Its totient is φ = 1005281280.

The previous prime is 4491241553. The next prime is 4491241583. The reversal of 4491241560 is 651421944.

4491241560 is a `hidden beast` number, since 4 + 4 + 91 + 2 + 4 + 1 + 560 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7398777 + ... + 7399383.

It is an arithmetic number, because the mean of its divisors is an integer number (34473600).

Almost surely, 2^4491241560 is an apocalyptic number.

4491241560 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 4491241560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8825241600).

4491241560 is an abundant number, since it is smaller than the sum of its proper divisors (13159241640).

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

4491241560 is a wasteful number, since it uses less digits than its factorization.

4491241560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 4491241560 is about 67016.7259719542. The cubic root of 4491241560 is about 1649.8918276192.

It can be divided in two parts, 4491 and 241560, that added together give a triangular number (246051 = T₇₀₁).

The spelling of 4491241560 in words is "four billion, four hundred ninety-one million, two hundred forty-one thousand, five hundred sixty".