4515216864 has 48 divisors (see below), whose sum is σ = 12549651408. Its totient is φ = 1416538112.

The previous prime is 4515216793. The next prime is 4515216877. The reversal of 4515216864 is 4686125154.

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

It is a congruent number.

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, 1381707 + ... + 1384970.

It is an arithmetic number, because the mean of its divisors is an integer number (261451071).

Almost surely, 2^4515216864 is an apocalyptic number.

It is an amenable number.

4515216864 is an abundant number, since it is smaller than the sum of its proper divisors (8034434544).

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

4515216864 is a wasteful number, since it uses less digits than its factorization.

4515216864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766707 (or 2766699 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 4515216864 is about 67195.3634114736. The cubic root of 4515216864 is about 1652.8224558974.

The spelling of 4515216864 in words is "four billion, five hundred fifteen million, two hundred sixteen thousand, eight hundred sixty-four".