240380867 has 4 divisors (see below), whose sum is σ = 254520936. Its totient is φ = 226240800.

The previous prime is 240380857. The next prime is 240380869. The reversal of 240380867 is 768083042.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240380867 is a prime.

It is a super-2 number, since 2×240380867² = 115565922439343378, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240380867.

It is not an unprimeable number, because it can be changed into a prime (240380869) 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, 7070009 + ... + 7070042.

It is an arithmetic number, because the mean of its divisors is an integer number (63630234).

Almost surely, 2^240380867 is an apocalyptic number.

240380867 is a deficient number, since it is larger than the sum of its proper divisors (14140069).

240380867 is a wasteful number, since it uses less digits than its factorization.

240380867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14140068.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 240380867 is about 15504.2209414082. The cubic root of 240380867 is about 621.7750614282.

The spelling of 240380867 in words is "two hundred forty million, three hundred eighty thousand, eight hundred sixty-seven".