424423040 has 32 divisors (see below), whose sum is σ = 1014637860. Its totient is φ = 169768960.

The previous prime is 424423039. The next prime is 424423061. The reversal of 424423040 is 40324424.

It can be written as a sum of positive squares in 2 ways, for example, as 350737984 + 73685056 = 18728^2 + 8584^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 424422997 and 424423015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330941 + ... + 332220.

Almost surely, 2^424423040 is an apocalyptic number.

424423040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424423040 is an abundant number, since it is smaller than the sum of its proper divisors (590214820).

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

424423040 is an equidigital number, since it uses as much as digits as its factorization.

424423040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663180 (or 663168 counting only the distinct ones).

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

The square root of 424423040 is about 20601.5300402664. The cubic root of 424423040 is about 751.5069198585.

Adding to 424423040 its reverse (40324424), we get a palindrome (464747464).

The spelling of 424423040 in words is "four hundred twenty-four million, four hundred twenty-three thousand, forty".