4561216080 has 80 divisors (see below), whose sum is σ = 14338975104. Its totient is φ = 1199188480.

The previous prime is 4561216067. The next prime is 4561216111. The reversal of 4561216080 is 806121654.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116799 + ... + 150878.

Almost surely, 2^4561216080 is an apocalyptic number.

4561216080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4561216080 is an abundant number, since it is smaller than the sum of its proper divisors (9777759024).

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

4561216080 is a wasteful number, since it uses less digits than its factorization.

4561216080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267764 (or 267758 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 4561216080 is about 67536.7757595815. The cubic root of 4561216080 is about 1658.4162666425.

The spelling of 4561216080 in words is "four billion, five hundred sixty-one million, two hundred sixteen thousand, eighty".