240206485 has 4 divisors (see below), whose sum is σ = 288247788. Its totient is φ = 192165184.

The previous prime is 240206467. The next prime is 240206489. The reversal of 240206485 is 584602042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584602042 = 2 ⋅292301021.

It can be written as a sum of positive squares in 2 ways, for example, as 117462244 + 122744241 = 10838^2 + 11079^2 .

It is a cyclic number.

It is not a de Polignac number, because 240206485 - 2⁵ = 240206453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240206489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24020644 + ... + 24020653.

It is an arithmetic number, because the mean of its divisors is an integer number (72061947).

Almost surely, 2^240206485 is an apocalyptic number.

It is an amenable number.

240206485 is a deficient number, since it is larger than the sum of its proper divisors (48041303).

240206485 is an equidigital number, since it uses as much as digits as its factorization.

240206485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48041302.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 240206485 is about 15498.5962267555. The cubic root of 240206485 is about 621.6246714662.

The spelling of 240206485 in words is "two hundred forty million, two hundred six thousand, four hundred eighty-five".