655426355430 has 256 divisors, whose sum is σ = 2106528768000. Its totient is φ = 129024040320.

The previous prime is 655426355413. The next prime is 655426355431. The reversal of 655426355430 is 34553624556.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 655426355430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655426355431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1998229 + ... + 2302991.

It is an arithmetic number, because the mean of its divisors is an integer number (8228628000).

Almost surely, 2^655426355430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655426355430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1053264384000).

655426355430 is an abundant number, since it is smaller than the sum of its proper divisors (1451102412570).

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

655426355430 is a wasteful number, since it uses less digits than its factorization.

655426355430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304824 (or 304810 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 48.

Adding to 655426355430 its reverse (34553624556), we get a palindrome (689979979986).

The spelling of 655426355430 in words is "six hundred fifty-five billion, four hundred twenty-six million, three hundred fifty-five thousand, four hundred thirty".