205472505377242 has 8 divisors (see below), whose sum is σ = 309822416485632. Its totient is φ = 102198366548700.

The previous prime is 205472505377213. The next prime is 205472505377297. The reversal of 205472505377242 is 242773505274502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268943069484 + ... + 268943070247.

It is an arithmetic number, because the mean of its divisors is an integer number (38727802060704).

Almost surely, 2^{205472505377242} is an apocalyptic number.

205472505377242 is a deficient number, since it is larger than the sum of its proper divisors (104349911108390).

205472505377242 is a wasteful number, since it uses less digits than its factorization.

205472505377242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537886139924.

The product of its (nonzero) digits is 32928000, while the sum is 55.

The spelling of 205472505377242 in words is "two hundred five trillion, four hundred seventy-two billion, five hundred five million, three hundred seventy-seven thousand, two hundred forty-two".