240049691 has 4 divisors (see below), whose sum is σ = 274342512. Its totient is φ = 205756872.

The previous prime is 240049687. The next prime is 240049717. The reversal of 240049691 is 196940042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240049691 - 2² = 240049687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240049631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17146400 + ... + 17146413.

It is an arithmetic number, because the mean of its divisors is an integer number (68585628).

Almost surely, 2^240049691 is an apocalyptic number.

240049691 is a deficient number, since it is larger than the sum of its proper divisors (34292821).

240049691 is an equidigital number, since it uses as much as digits as its factorization.

240049691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34292820.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 240049691 is about 15493.5370719536. The cubic root of 240049691 is about 621.4893875340.

The spelling of 240049691 in words is "two hundred forty million, forty-nine thousand, six hundred ninety-one".