224400552240 has 80 divisors (see below), whose sum is σ = 695692446048. Its totient is φ = 59835783168.

The previous prime is 224400552209. The next prime is 224400552293. The reversal of 224400552240 is 42255004422.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 224400552198 and 224400552207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4538532 + ... + 4587708.

Almost surely, 2^224400552240 is an apocalyptic number.

224400552240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224400552240 is an abundant number, since it is smaller than the sum of its proper divisors (471291893808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224400552240 is a wasteful number, since it uses less digits than its factorization.

224400552240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68206 (or 68200 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

Adding to 224400552240 its reverse (42255004422), we get a palindrome (266655556662).

The spelling of 224400552240 in words is "two hundred twenty-four billion, four hundred million, five hundred fifty-two thousand, two hundred forty".