240250255205 has 4 divisors (see below), whose sum is σ = 288300306252. Its totient is φ = 192200204160.

The previous prime is 240250255183. The next prime is 240250255213. The reversal of 240250255205 is 502552052042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502552052042 = 2 ⋅251276026021.

It can be written as a sum of positive squares in 2 ways, for example, as 124784856001 + 115465399204 = 353249^2 + 339802^2 .

It is not a de Polignac number, because 240250255205 - 2¹⁴ = 240250238821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24025025516 + ... + 24025025525.

It is an arithmetic number, because the mean of its divisors is an integer number (72075076563).

Almost surely, 2^240250255205 is an apocalyptic number.

It is an amenable number.

240250255205 is a deficient number, since it is larger than the sum of its proper divisors (48050051047).

240250255205 is an equidigital number, since it uses as much as digits as its factorization.

240250255205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48050051046.

The product of its (nonzero) digits is 40000, while the sum is 32.

The spelling of 240250255205 in words is "two hundred forty billion, two hundred fifty million, two hundred fifty-five thousand, two hundred five".