424504040 has 16 divisors (see below), whose sum is σ = 955134180. Its totient is φ = 169801600.

The previous prime is 424504039. The next prime is 424504043. The reversal of 424504040 is 40405424.

It can be written as a sum of positive squares in 2 ways, for example, as 420496036 + 4008004 = 20506^2 + 2002^2 .

It is a junction number, because it is equal to n+sod(n) for n = 424503997 and 424504015.

It is not an unprimeable number, because it can be changed into a prime (424504043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5306261 + ... + 5306340.

Almost surely, 2^424504040 is an apocalyptic number.

424504040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424504040 is an abundant number, since it is smaller than the sum of its proper divisors (530630140).

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

424504040 is a wasteful number, since it uses less digits than its factorization.

424504040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10612612 (or 10612608 counting only the distinct ones).

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

The square root of 424504040 is about 20603.4958198845. The cubic root of 424504040 is about 751.5547245116.

Adding to 424504040 its reverse (40405424), we get a palindrome (464909464).

The spelling of 424504040 in words is "four hundred twenty-four million, five hundred four thousand, forty".