240985567 has 4 divisors (see below), whose sum is σ = 243693360. Its totient is φ = 238277776.

The previous prime is 240985553. The next prime is 240985579. The reversal of 240985567 is 765589042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 765589042 = 2 ⋅382794521.

It is a cyclic number.

It is not a de Polignac number, because 240985567 - 2⁷ = 240985439 is a prime.

It is a super-2 number, since 2×240985567² = 116148087004622978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240985517) 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, 1353763 + ... + 1353940.

It is an arithmetic number, because the mean of its divisors is an integer number (60923340).

Almost surely, 2^240985567 is an apocalyptic number.

240985567 is a deficient number, since it is larger than the sum of its proper divisors (2707793).

240985567 is an equidigital number, since it uses as much as digits as its factorization.

240985567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707792.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 240985567 is about 15523.7098336706. The cubic root of 240985567 is about 622.2960021438.

The spelling of 240985567 in words is "two hundred forty million, nine hundred eighty-five thousand, five hundred sixty-seven".