203355653342442 has 32 divisors (see below), whose sum is σ = 423461112629184. Its totient is φ = 65047789948800.

The previous prime is 203355653342441. The next prime is 203355653342449. The reversal of 203355653342442 is 244243356553302.

It is not an unprimeable number, because it can be changed into a prime (203355653342441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6775796448 + ... + 6775826459.

It is an arithmetic number, because the mean of its divisors is an integer number (13233159769662).

Almost surely, 2^{203355653342442} is an apocalyptic number.

203355653342442 is an abundant number, since it is smaller than the sum of its proper divisors (220105459286742).

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

203355653342442 is a wasteful number, since it uses less digits than its factorization.

203355653342442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13551623014.

The product of its (nonzero) digits is 31104000, while the sum is 51.

The spelling of 203355653342442 in words is "two hundred three trillion, three hundred fifty-five billion, six hundred fifty-three million, three hundred forty-two thousand, four hundred forty-two".