4581864546 has 64 divisors (see below), whose sum is σ = 11091437568. Its totient is φ = 1233479808.

The previous prime is 4581864517. The next prime is 4581864571. The reversal of 4581864546 is 6454681854.

It is a super-2 number, since 2×4581864546² = 41986965435783572232, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29326 + ... + 100118.

It is an arithmetic number, because the mean of its divisors is an integer number (173303712).

Almost surely, 2^4581864546 is an apocalyptic number.

4581864546 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4581864546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5545718784).

4581864546 is an abundant number, since it is smaller than the sum of its proper divisors (6509573022).

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

4581864546 is a wasteful number, since it uses less digits than its factorization.

4581864546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70895.

The product of its digits is 3686400, while the sum is 51.

The square root of 4581864546 is about 67689.4714560544. The cubic root of 4581864546 is about 1660.9150306738.

The spelling of 4581864546 in words is "four billion, five hundred eighty-one million, eight hundred sixty-four thousand, five hundred forty-six".