240540046 has 4 divisors (see below), whose sum is σ = 360810072. Its totient is φ = 120270022.

The previous prime is 240539993. The next prime is 240540073. The reversal of 240540046 is 640045042.

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

It is a self number, because there is not a number n which added to its sum of digits gives 240540046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60135010 + ... + 60135013.

It is an arithmetic number, because the mean of its divisors is an integer number (90202518).

Almost surely, 2^240540046 is an apocalyptic number.

240540046 is a deficient number, since it is larger than the sum of its proper divisors (120270026).

240540046 is a wasteful number, since it uses less digits than its factorization.

240540046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120270025.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 240540046 is about 15509.3535003881. The cubic root of 240540046 is about 621.9122765834.

Adding to 240540046 its reverse (640045042), we get a palindrome (880585088).

The spelling of 240540046 in words is "two hundred forty million, five hundred forty thousand, forty-six".