Adding to 2520044424 its reverse (4244400252), we get a palindrome (6764444676).
It is an unprimeable number.
Almost surely, 22520044424 is an apocalyptic number.
2520044424 is a gapful number since it is divisible by the number (24) 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 2520044424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3502699200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2520044424 is a wasteful number, since it uses less digits than its factorization.
2520044424 is an evil number, because the sum of its binary digits is even.
The square root of 2520044424 is about 50200.0440637257. The cubic root of 2520044424 is about 1360.8264195719.
The spelling of 2520044424 in words is "two billion, five hundred twenty million, forty-four thousand, four hundred twenty-four".