224309806440 has 64 divisors (see below), whose sum is σ = 702187228800. Its totient is φ = 57215254272.

The previous prime is 224309806403. The next prime is 224309806451. The reversal of 224309806440 is 44608903422.

It is a junction number, because it is equal to n+sod(n) for n = 224309806392 and 224309806401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40633075 + ... + 40638594.

It is an arithmetic number, because the mean of its divisors is an integer number (10971675450).

Almost surely, 2^224309806440 is an apocalyptic number.

224309806440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224309806440 is an abundant number, since it is smaller than the sum of its proper divisors (477877422360).

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

224309806440 is a wasteful number, since it uses less digits than its factorization.

224309806440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81271706 (or 81271702 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 224309806440 in words is "two hundred twenty-four billion, three hundred nine million, eight hundred six thousand, four hundred forty".