224024200040 has 32 divisors (see below), whose sum is σ = 533704713480.
Its totient is φ = 84338522112.
The previous prime is 224024200021. The next prime is 224024200063. The reversal of 224024200040 is 40002420422.
It can be written as a sum of positive squares in 4 ways, for example, as 216282663844 + 7741536196 = 465062^2 + 87986^2
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 224024199985 and 224024200021.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164722997 + ... + 164724356.
Almost surely, 2224024200040 is an apocalyptic number.
224024200040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
224024200040 is an abundant number, since it is smaller than the sum of its proper divisors (309680513440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
224024200040 is a wasteful number, since it uses less digits than its factorization.
224024200040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 329447381 (or 329447377 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 20.
Adding to 224024200040 its reverse (40002420422), we get a palindrome (264026620462).
The spelling of 224024200040 in words is "two hundred twenty-four billion, twenty-four million, two hundred thousand, forty".