424401440 has 48 divisors (see below), whose sum is σ = 1003907520. Its totient is φ = 169547520.

The previous prime is 424401431. The next prime is 424401463. The reversal of 424401440 is 44104424.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 210035 + ... + 212045.

It is an arithmetic number, because the mean of its divisors is an integer number (20914740).

Almost surely, 2^424401440 is an apocalyptic number.

424401440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424401440 is an abundant number, since it is smaller than the sum of its proper divisors (579506080).

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

424401440 is a wasteful number, since it uses less digits than its factorization.

424401440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345 (or 3337 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 424401440 is about 20601.0058006885. The cubic root of 424401440 is about 751.4941709239.

Adding to 424401440 its reverse (44104424), we get a palindrome (468505864).

The spelling of 424401440 in words is "four hundred twenty-four million, four hundred one thousand, four hundred forty".