424345111440512 has 64 divisors (see below), whose sum is σ = 872819793600000. Its totient is φ = 205287196262400.

The previous prime is 424345111440499. The next prime is 424345111440529. The reversal of 424345111440512 is 215044111543424.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 424345111440512.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9139712 + ... + 30532352.

It is an arithmetic number, because the mean of its divisors is an integer number (13637809275000).

Almost surely, 2^{424345111440512} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424345111440512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436409896800000).

424345111440512 is an abundant number, since it is smaller than the sum of its proper divisors (448474682159488).

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

424345111440512 is a wasteful number, since it uses less digits than its factorization.

424345111440512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21397685 (or 21397673 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 41.

Adding to 424345111440512 its reverse (215044111543424), we get a palindrome (639389222983936).

The spelling of 424345111440512 in words is "four hundred twenty-four trillion, three hundred forty-five billion, one hundred eleven million, four hundred forty thousand, five hundred twelve".