5518294539264 has 352 divisors, whose sum is σ = 17974150871040. Its totient is φ = 1661805379584.

The previous prime is 5518294539169. The next prime is 5518294539293. The reversal of 5518294539264 is 4629354928155.

5518294539264 is a `hidden beast` number, since 5 + 5 + 1 + 8 + 2 + 94 + 539 + 2 + 6 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16729597 + ... + 17056259.

Almost surely, 2^{5518294539264} is an apocalyptic number.

5518294539264 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5518294539264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8987075435520).

5518294539264 is an abundant number, since it is smaller than the sum of its proper divisors (12455856331776).

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

5518294539264 is a wasteful number, since it uses less digits than its factorization.

5518294539264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326752 (or 326728 counting only the distinct ones).

The product of its digits is 93312000, while the sum is 63.

The spelling of 5518294539264 in words is "five trillion, five hundred eighteen billion, two hundred ninety-four million, five hundred thirty-nine thousand, two hundred sixty-four".