424026240 has 256 divisors, whose sum is σ = 1562509440. Its totient is φ = 96665600.

The previous prime is 424026227. The next prime is 424026263. The reversal of 424026240 is 42620424.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 424026240.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 358450 + ... + 359630.

Almost surely, 2^424026240 is an apocalyptic number.

424026240 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 424026240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (781254720).

424026240 is an abundant number, since it is smaller than the sum of its proper divisors (1138483200).

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

424026240 is a wasteful number, since it uses less digits than its factorization.

424026240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 424026240 is about 20591.8974356420. The cubic root of 424026240 is about 751.2726481563.

Adding to 424026240 its reverse (42620424), we get a palindrome (466646664).

The spelling of 424026240 in words is "four hundred twenty-four million, twenty-six thousand, two hundred forty".