42223043303440 has 40 divisors (see below), whose sum is σ = 98175937677120. Its totient is φ = 16887950741376.

The previous prime is 42223043303407. The next prime is 42223043303443. The reversal of 42223043303440 is 4430334032224.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 42223043303396 and 42223043303405.

It is not an unprimeable number, because it can be changed into a prime (42223043303443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18716524 + ... + 20850763.

It is an arithmetic number, because the mean of its divisors is an integer number (2454398441928).

Almost surely, 2^{42223043303440} is an apocalyptic number.

42223043303440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42223043303440 is an abundant number, since it is smaller than the sum of its proper divisors (55952894373680).

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

42223043303440 is a wasteful number, since it uses less digits than its factorization.

42223043303440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39580639 (or 39580633 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 42223043303440 its reverse (4430334032224), we get a palindrome (46653377335664).

The spelling of 42223043303440 in words is "forty-two trillion, two hundred twenty-three billion, forty-three million, three hundred three thousand, four hundred forty".