355215355054340 has 96 divisors (see below), whose sum is σ = 856778999731200. Its totient is φ = 122344680078720.

The previous prime is 355215355054267. The next prime is 355215355054409. The reversal of 355215355054340 is 43450553512553.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10477247 + ... + 28639193.

It is an arithmetic number, because the mean of its divisors is an integer number (8924781247200).

Almost surely, 2^{355215355054340} 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 355215355054340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428389499865600).

355215355054340 is an abundant number, since it is smaller than the sum of its proper divisors (501563644676860).

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

355215355054340 is a wasteful number, since it uses less digits than its factorization.

355215355054340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18166665 (or 18166663 counting only the distinct ones).

The product of its (nonzero) digits is 13500000, while the sum is 50.

The spelling of 355215355054340 in words is "three hundred fifty-five trillion, two hundred fifteen billion, three hundred fifty-five million, fifty-four thousand, three hundred forty".