It is a happy number.
2555470028538 is a `hidden beast` number, since 2 + 5 + 554 + 7 + 0 + 0 + 2 + 85 + 3 + 8 = 666.
It is an unprimeable number.
Almost surely, 22555470028538 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2555470028538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3365186256432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2555470028538 is a wasteful number, since it uses less digits than its factorization.
2555470028538 is an odious number, because the sum of its binary digits is odd.
The spelling of 2555470028538 in words is "two trillion, five hundred fifty-five billion, four hundred seventy million, twenty-eight thousand, five hundred thirty-eight".