424360656 has 60 divisors (see below), whose sum is σ = 1190744100. Its totient is φ = 141081600.

The previous prime is 424360639. The next prime is 424360661. The reversal of 424360656 is 656063424.

424360656 is a `hidden beast` number, since 4 + 2 + 43 + 606 + 5 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 375584400 + 48776256 = 19380^2 + 6984^2 .

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 424360656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54070 + ... + 61418.

It is an arithmetic number, because the mean of its divisors is an integer number (19845735).

Almost surely, 2^424360656 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 424360656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595372050).

424360656 is an abundant number, since it is smaller than the sum of its proper divisors (766383444).

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

424360656 is a wasteful number, since it uses less digits than its factorization.

424360656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7764 (or 7755 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 424360656 is about 20600.0159223239. The cubic root of 424360656 is about 751.4700978669.

The spelling of 424360656 in words is "four hundred twenty-four million, three hundred sixty thousand, six hundred fifty-six".