424444114520 has 64 divisors (see below), whose sum is σ = 969113471040. Its totient is φ = 167271731200.

The previous prime is 424444114517. The next prime is 424444114607. The reversal of 424444114520 is 25411444424.

It is a congruent number.

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, 4155584 + ... + 4256496.

It is an arithmetic number, because the mean of its divisors is an integer number (15142397985).

Almost surely, 2^424444114520 is an apocalyptic number.

424444114520 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 424444114520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484556735520).

424444114520 is an abundant number, since it is smaller than the sum of its proper divisors (544669356520).

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

424444114520 is a wasteful number, since it uses less digits than its factorization.

424444114520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102476 (or 102472 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 35.

Adding to 424444114520 its reverse (25411444424), we get a palindrome (449855558944).

The spelling of 424444114520 in words is "four hundred twenty-four billion, four hundred forty-four million, one hundred fourteen thousand, five hundred twenty".