240260290 has 8 divisors (see below), whose sum is σ = 432468540. Its totient is φ = 96104112.

The previous prime is 240260281. The next prime is 240260291. The reversal of 240260290 is 92062042.

It can be written as a sum of positive squares in 2 ways, for example, as 231739729 + 8520561 = 15223^2 + 2919^2 .

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

It is not an unprimeable number, because it can be changed into a prime (240260291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12013005 + ... + 12013024.

Almost surely, 2^240260290 is an apocalyptic number.

240260290 is a deficient number, since it is larger than the sum of its proper divisors (192208250).

240260290 is a wasteful number, since it uses less digits than its factorization.

240260290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24026036.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 240260290 is about 15500.3319319297. The cubic root of 240260290 is about 621.6710815628.

The spelling of 240260290 in words is "two hundred forty million, two hundred sixty thousand, two hundred ninety".