It is a self number, because there is not a number n which added to its sum of digits gives 276488940.
It is an unprimeable number.
Almost surely, 2276488940 is an apocalyptic number.
276488940 is a gapful number since it is divisible by the number (20) 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 276488940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483194880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
276488940 is a wasteful number, since it uses less digits than its factorization.
276488940 is an odious number, because the sum of its binary digits is odd.
The square root of 276488940 is about 16627.9565792072. The cubic root of 276488940 is about 651.4672495777.
The spelling of 276488940 in words is "two hundred seventy-six million, four hundred eighty-eight thousand, nine hundred forty".