4518493574812 has 72 divisors (see below), whose sum is σ = 9540086373888. Its totient is φ = 1865147407200.

The previous prime is 4518493574797. The next prime is 4518493574831. The reversal of 4518493574812 is 2184753948154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 480198 + ... + 3044269.

Almost surely, 2^{4518493574812} is an apocalyptic number.

It is an amenable number.

4518493574812 is an abundant number, since it is smaller than the sum of its proper divisors (5021592799076).

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

4518493574812 is a wasteful number, since it uses less digits than its factorization.

4518493574812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3524727 (or 3524718 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 61.

The spelling of 4518493574812 in words is "four trillion, five hundred eighteen billion, four hundred ninety-three million, five hundred seventy-four thousand, eight hundred twelve".