518060067840 has 1056 divisors, whose sum is σ = 2222173416960. Its totient is φ = 112105783296.

The previous prime is 518060067823. The next prime is 518060067841. The reversal of 518060067840 is 48760060815.

It is a happy number.

518060067840 is a `hidden beast` number, since 518 + 0 + 60 + 0 + 6 + 78 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (518060067841) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 349331739 + ... + 349333221.

Almost surely, 2^518060067840 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 518060067840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1111086708480).

518060067840 is an abundant number, since it is smaller than the sum of its proper divisors (1704113349120).

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

518060067840 is a wasteful number, since it uses less digits than its factorization.

518060067840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562 (or 1519 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 518060067840 in words is "five hundred eighteen billion, sixty million, sixty-seven thousand, eight hundred forty".