424445000 has 160 divisors (see below), whose sum is σ = 1159878720. Its totient is φ = 142560000.

The previous prime is 424444987. The next prime is 424445003. The reversal of 424445000 is 544424.

It is not an unprimeable number, because it can be changed into a prime (424445003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2344910 + ... + 2345090.

It is an arithmetic number, because the mean of its divisors is an integer number (7249242).

Almost surely, 2^424445000 is an apocalyptic number.

424445000 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 424445000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579939360).

424445000 is an abundant number, since it is smaller than the sum of its proper divisors (735433720).

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

424445000 is a wasteful number, since it uses less digits than its factorization.

424445000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 424445000 is about 20602.0630034955. The cubic root of 424445000 is about 751.5198808321.

Adding to 424445000 its reverse (544424), we get a palindrome (424989424).

The spelling of 424445000 in words is "four hundred twenty-four million, four hundred forty-five thousand".