424224432310440 has 256 divisors, whose sum is σ = 1333930506854400. Its totient is φ = 107787357103104.

The previous prime is 424224432310439. The next prime is 424224432310453. The reversal of 424224432310440 is 44013234422424.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 254214057 + ... + 255877383.

It is an arithmetic number, because the mean of its divisors is an integer number (5210666042400).

Almost surely, 2^{424224432310440} is an apocalyptic number.

424224432310440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424224432310440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (666965253427200).

424224432310440 is an abundant number, since it is smaller than the sum of its proper divisors (909706074543960).

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

424224432310440 is a wasteful number, since it uses less digits than its factorization.

424224432310440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664336 (or 1664332 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 39.

Adding to 424224432310440 its reverse (44013234422424), we get a palindrome (468237666732864).

The spelling of 424224432310440 in words is "four hundred twenty-four trillion, two hundred twenty-four billion, four hundred thirty-two million, three hundred ten thousand, four hundred forty".