424681056 has 120 divisors (see below), whose sum is σ = 1270601640. Its totient is φ = 139110912.

The previous prime is 424680983. The next prime is 424681057. The reversal of 424681056 is 650186424.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 424681056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424681057) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 151540 + ... + 154316.

It is an arithmetic number, because the mean of its divisors is an integer number (10588347).

Almost surely, 2^424681056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424681056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635300820).

424681056 is an abundant number, since it is smaller than the sum of its proper divisors (845920584).

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

424681056 is a wasteful number, since it uses less digits than its factorization.

424681056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858 (or 2841 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 424681056 is about 20607.7911480100. The cubic root of 424681056 is about 751.6591748119.

The spelling of 424681056 in words is "four hundred twenty-four million, six hundred eighty-one thousand, fifty-six".