4563444520 has 16 divisors (see below), whose sum is σ = 10267750260. Its totient is φ = 1825377792.

The previous prime is 4563444517. The next prime is 4563444527. The reversal of 4563444520 is 254443654.

It can be written as a sum of positive squares in 2 ways, for example, as 4561921764 + 1522756 = 67542^2 + 1234^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4563444520.

It is not an unprimeable number, because it can be changed into a prime (4563444527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57043017 + ... + 57043096.

Almost surely, 2^4563444520 is an apocalyptic number.

4563444520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4563444520 is an abundant number, since it is smaller than the sum of its proper divisors (5704305740).

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

4563444520 is a wasteful number, since it uses less digits than its factorization.

4563444520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114086124 (or 114086120 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

The square root of 4563444520 is about 67553.2717194364. The cubic root of 4563444520 is about 1658.6863027751.

The spelling of 4563444520 in words is "four billion, five hundred sixty-three million, four hundred forty-four thousand, five hundred twenty".