240285369 has 4 divisors (see below), whose sum is σ = 320380496. Its totient is φ = 160190244.

The previous prime is 240285359. The next prime is 240285401. The reversal of 240285369 is 963582042.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 240285369 - 2¹² = 240281273 is a prime.

It is a super-2 number, since 2×240285369² = 115474117110932322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240285319) 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, 40047559 + ... + 40047564.

It is an arithmetic number, because the mean of its divisors is an integer number (80095124).

Almost surely, 2^240285369 is an apocalyptic number.

It is an amenable number.

240285369 is a deficient number, since it is larger than the sum of its proper divisors (80095127).

240285369 is an equidigital number, since it uses as much as digits as its factorization.

240285369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80095126.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 240285369 is about 15501.1408934955. The cubic root of 240285369 is about 621.6927113636.

The spelling of 240285369 in words is "two hundred forty million, two hundred eighty-five thousand, three hundred sixty-nine".