424223040 has 112 divisors (see below), whose sum is σ = 1405542528. Its totient is φ = 108201984.

The previous prime is 424223027. The next prime is 424223057. The reversal of 424223040 is 40322424.

It is a junction number, because it is equal to n+sod(n) for n = 424222998 and 424223016.

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, 12474 + ... + 31686.

Almost surely, 2^424223040 is an apocalyptic number.

424223040 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 424223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702771264).

424223040 is an abundant number, since it is smaller than the sum of its proper divisors (981319488).

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

424223040 is a wasteful number, since it uses less digits than its factorization.

424223040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19256 (or 19246 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 424223040 is about 20596.6754598892. The cubic root of 424223040 is about 751.3888576229.

Adding to 424223040 its reverse (40322424), we get a palindrome (464545464).

The spelling of 424223040 in words is "four hundred twenty-four million, two hundred twenty-three thousand, forty".