424321020240 has 160 divisors (see below), whose sum is σ = 1417310952960. Its totient is φ = 104394313728.

The previous prime is 424321020223. The next prime is 424321020259. The reversal of 424321020240 is 42020123424.

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 424321020240.

It is a congruent number.

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, 6184041 + ... + 6252279.

It is an arithmetic number, because the mean of its divisors is an integer number (8858193456).

Almost surely, 2^424321020240 is an apocalyptic number.

424321020240 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 424321020240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708655476480).

424321020240 is an abundant number, since it is smaller than the sum of its proper divisors (992989932720).

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

424321020240 is a wasteful number, since it uses less digits than its factorization.

424321020240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70261 (or 70255 counting only the distinct ones).

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

Adding to 424321020240 its reverse (42020123424), we get a palindrome (466341143664).

The spelling of 424321020240 in words is "four hundred twenty-four billion, three hundred twenty-one million, twenty thousand, two hundred forty".