424243040 has 96 divisors (see below), whose sum is σ = 1097984160. Its totient is φ = 153944064.

The previous prime is 424243037. The next prime is 424243063. The reversal of 424243040 is 40342424.

It is a junction number, because it is equal to n+sod(n) for n = 424242997 and 424243015.

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, 120992 + ... + 124448.

It is an arithmetic number, because the mean of its divisors is an integer number (11437335).

Almost surely, 2^424243040 is an apocalyptic number.

424243040 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 424243040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548992080).

424243040 is an abundant number, since it is smaller than the sum of its proper divisors (673741120).

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

424243040 is a wasteful number, since it uses less digits than its factorization.

424243040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544 (or 3536 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 424243040 is about 20597.1609694152. The cubic root of 424243040 is about 751.4006655161.

Adding to 424243040 its reverse (40342424), we get a palindrome (464585464).

The spelling of 424243040 in words is "four hundred twenty-four million, two hundred forty-three thousand, forty".