It is an unprimeable number.
Almost surely, 2455820446038272 is an apocalyptic number.
455820446038272 is a gapful number since it is divisible by the number (42) 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 455820446038272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797193044121600).
455820446038272 is an abundant number, since it is smaller than the sum of its proper divisors (1138565642204928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
455820446038272 is a wasteful number, since it uses less digits than its factorization.
455820446038272 is an odious number, because the sum of its binary digits is odd.
The spelling of 455820446038272 in words is "four hundred fifty-five trillion, eight hundred twenty billion, four hundred forty-six million, thirty-eight thousand, two hundred seventy-two".