424402423500 has 192 divisors, whose sum is σ = 1349497304064. Its totient is φ = 102787264000.

The previous prime is 424402423481. The next prime is 424402423507. The reversal of 424402423500 is 5324204424.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (424402423507) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18088777 + ... + 18112223.

It is an arithmetic number, because the mean of its divisors is an integer number (7028631792).

Almost surely, 2^424402423500 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 424402423500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674748652032).

424402423500 is an abundant number, since it is smaller than the sum of its proper divisors (925094880564).

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

424402423500 is a wasteful number, since it uses less digits than its factorization.

424402423500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24577 (or 24565 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 424402423500 its reverse (5324204424), we get a palindrome (429726627924).

The spelling of 424402423500 in words is "four hundred twenty-four billion, four hundred two million, four hundred twenty-three thousand, five hundred".