4581455136 has 48 divisors (see below), whose sum is σ = 12161469600. Its totient is φ = 1509989888.

The previous prime is 4581455113. The next prime is 4581455173. The reversal of 4581455136 is 6315541854.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259566 + ... + 276653.

It is an arithmetic number, because the mean of its divisors is an integer number (253363950).

Almost surely, 2^4581455136 is an apocalyptic number.

It is an amenable number.

4581455136 is an abundant number, since it is smaller than the sum of its proper divisors (7580014464).

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

4581455136 is a wasteful number, since it uses less digits than its factorization.

4581455136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536321 (or 536313 counting only the distinct ones).

The product of its digits is 288000, while the sum is 42.

The square root of 4581455136 is about 67686.4472106492. The cubic root of 4581455136 is about 1660.8655591489.

The spelling of 4581455136 in words is "four billion, five hundred eighty-one million, four hundred fifty-five thousand, one hundred thirty-six".