2355005216256 has 480 divisors, whose sum is σ = 8155964234880. Its totient is φ = 596761804800.

The previous prime is 2355005216177. The next prime is 2355005216321. The reversal of 2355005216256 is 6526125005532.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 33909375 + ... + 33978753.

It is an arithmetic number, because the mean of its divisors is an integer number (16991592156).

Almost surely, 2^{2355005216256} 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 2355005216256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4077982117440).

2355005216256 is an abundant number, since it is smaller than the sum of its proper divisors (5800959018624).

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

2355005216256 is a wasteful number, since it uses less digits than its factorization.

2355005216256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69466 (or 69443 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 2355005216256 in words is "two trillion, three hundred fifty-five billion, five million, two hundred sixteen thousand, two hundred fifty-six".