4505423616 has 108 divisors (see below), whose sum is σ = 13038348960. Its totient is φ = 1496248320.

The previous prime is 4505423591. The next prime is 4505423627. The reversal of 4505423616 is 6163245054.

4505423616 is a `hidden beast` number, since 4 + 50 + 542 + 3 + 61 + 6 = 666.

It is a super-2 number, since 2×4505423616² = 40597683919221030912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 643945 + ... + 650903.

Almost surely, 2^4505423616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4505423616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6519174480).

4505423616 is an abundant number, since it is smaller than the sum of its proper divisors (8532925344).

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

4505423616 is a wasteful number, since it uses less digits than its factorization.

4505423616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7262 (or 7245 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 4505423616 is about 67122.4523985827. The cubic root of 4505423616 is about 1651.6266316914.

The spelling of 4505423616 in words is "four billion, five hundred five million, four hundred twenty-three thousand, six hundred sixteen".