424403140 has 96 divisors (see below), whose sum is σ = 1040336640. Its totient is φ = 142442496.

The previous prime is 424403131. The next prime is 424403141. The reversal of 424403140 is 41304424.

It is not an unprimeable number, because it can be changed into a prime (424403141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2198884 + ... + 2199076.

It is an arithmetic number, because the mean of its divisors is an integer number (10836840).

Almost surely, 2^424403140 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 424403140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520168320).

424403140 is an abundant number, since it is smaller than the sum of its proper divisors (615933500).

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

424403140 is a wasteful number, since it uses less digits than its factorization.

424403140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 424403140 is about 20601.0470607685. The cubic root of 424403140 is about 751.4951743279.

Adding to 424403140 its reverse (41304424), we get a palindrome (465707564).

The spelling of 424403140 in words is "four hundred twenty-four million, four hundred three thousand, one hundred forty".