240169042 has 4 divisors (see below), whose sum is σ = 360253566. Its totient is φ = 120084520.

The previous prime is 240169037. The next prime is 240169043. The reversal of 240169042 is 240961042.

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

It can be written as a sum of positive squares in only one way, i.e., 228342321 + 11826721 = 15111^2 + 3439^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 240169042.

It is not an unprimeable number, because it can be changed into a prime (240169043) 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 as a sum of consecutive naturals, namely, 60042259 + ... + 60042262.

Almost surely, 2^240169042 is an apocalyptic number.

240169042 is a deficient number, since it is larger than the sum of its proper divisors (120084524).

240169042 is a wasteful number, since it uses less digits than its factorization.

240169042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120084523.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 240169042 is about 15497.3882315699. The cubic root of 240169042 is about 621.5923705036.

The spelling of 240169042 in words is "two hundred forty million, one hundred sixty-nine thousand, forty-two".