855590838430 has 64 divisors (see below), whose sum is σ = 1584910514880. Its totient is φ = 332349926400.

The previous prime is 855590838413. The next prime is 855590838439. The reversal of 855590838430 is 34838095558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855590838439) 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 31 ways as a sum of consecutive naturals, for example, 134122981 + ... + 134129359.

It is an arithmetic number, because the mean of its divisors is an integer number (24764226795).

Almost surely, 2^855590838430 is an apocalyptic number.

855590838430 is a deficient number, since it is larger than the sum of its proper divisors (729319676450).

855590838430 is a wasteful number, since it uses less digits than its factorization.

855590838430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7885.

The product of its (nonzero) digits is 20736000, while the sum is 58.

The spelling of 855590838430 in words is "eight hundred fifty-five billion, five hundred ninety million, eight hundred thirty-eight thousand, four hundred thirty".