4540521504 has 48 divisors (see below), whose sum is σ = 12546182880. Its totient is φ = 1433848320.

The previous prime is 4540521493. The next prime is 4540521521. The reversal of 4540521504 is 4051250454.

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

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 7 ways as a sum of consecutive naturals, for example, 1242837 + ... + 1246484.

It is an arithmetic number, because the mean of its divisors is an integer number (261378810).

Almost surely, 2^4540521504 is an apocalyptic number.

It is an amenable number.

4540521504 is an abundant number, since it is smaller than the sum of its proper divisors (8005661376).

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

4540521504 is a wasteful number, since it uses less digits than its factorization.

4540521504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489353 (or 2489345 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 4540521504 is about 67383.3919003785. The cubic root of 4540521504 is about 1655.9043446346.

Adding to 4540521504 its reverse (4051250454), we get a palindrome (8591771958).

The spelling of 4540521504 in words is "four billion, five hundred forty million, five hundred twenty-one thousand, five hundred four".