4243322440040 has 16 divisors (see below), whose sum is σ = 9547475490180. Its totient is φ = 1697328976000.

The previous prime is 4243322440013. The next prime is 4243322440087. The reversal of 4243322440040 is 400442233424.

It can be written as a sum of positive squares in 2 ways, for example, as 4075545364804 + 167777075236 = 2018798^2 + 409606^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4243322439979 and 4243322440006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53041530461 + ... + 53041530540.

Almost surely, 2^{4243322440040} is an apocalyptic number.

4243322440040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4243322440040 is an abundant number, since it is smaller than the sum of its proper divisors (5304153050140).

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

4243322440040 is a wasteful number, since it uses less digits than its factorization.

4243322440040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106083061012 (or 106083061008 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 4243322440040 its reverse (400442233424), we get a palindrome (4643764673464).

The spelling of 4243322440040 in words is "four trillion, two hundred forty-three billion, three hundred twenty-two million, four hundred forty thousand, forty".