4581685152 has 72 divisors (see below), whose sum is σ = 14213646720. Its totient is φ = 1388388480.

The previous prime is 4581685151. The next prime is 4581685159. The reversal of 4581685152 is 2515861854.

4581685152 is a `hidden beast` number, since 4 + 581 + 68 + 5 + 1 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 4581685098 and 4581685107.

It is not an unprimeable number, because it can be changed into a prime (4581685151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 719952 + ... + 726287.

It is an arithmetic number, because the mean of its divisors is an integer number (197411760).

Almost surely, 2^4581685152 is an apocalyptic number.

It is an amenable number.

4581685152 is an abundant number, since it is smaller than the sum of its proper divisors (9631961568).

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

4581685152 is a wasteful number, since it uses less digits than its factorization.

4581685152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446266 (or 1446255 counting only the distinct ones).

The product of its digits is 384000, while the sum is 45.

The square root of 4581685152 is about 67688.1463182439. The cubic root of 4581685152 is about 1660.8933537577.

The spelling of 4581685152 in words is "four billion, five hundred eighty-one million, six hundred eighty-five thousand, one hundred fifty-two".