270240409 has 4 divisors (see below), whose sum is σ = 281990016. Its totient is φ = 258490804.

The previous prime is 270240403. The next prime is 270240419. The reversal of 270240409 is 904042072.

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 a cyclic number.

It is not a de Polignac number, because 270240409 - 2²³ = 261851801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270240403) 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, 5874769 + ... + 5874814.

It is an arithmetic number, because the mean of its divisors is an integer number (70497504).

Almost surely, 2^270240409 is an apocalyptic number.

It is an amenable number.

270240409 is a deficient number, since it is larger than the sum of its proper divisors (11749607).

270240409 is a wasteful number, since it uses less digits than its factorization.

270240409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11749606.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 270240409 is about 16438.9905103689. The cubic root of 270240409 is about 646.5221817646.

The spelling of 270240409 in words is "two hundred seventy million, two hundred forty thousand, four hundred nine".