240313988 has 6 divisors (see below), whose sum is σ = 420549486. Its totient is φ = 120156992.

The previous prime is 240313987. The next prime is 240313993. The reversal of 240313988 is 889313042.

It can be written as a sum of positive squares in only one way, i.e., 238949764 + 1364224 = 15458^2 + 1168^2 .

It is not an unprimeable number, because it can be changed into a prime (240313987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30039245 + ... + 30039252.

It is an arithmetic number, because the mean of its divisors is an integer number (70091581).

Almost surely, 2^240313988 is an apocalyptic number.

It is an amenable number.

240313988 is a deficient number, since it is larger than the sum of its proper divisors (180235498).

240313988 is a wasteful number, since it uses less digits than its factorization.

240313988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60078501 (or 60078499 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 240313988 is about 15502.0639916109. The cubic root of 240313988 is about 621.7173924576.

The spelling of 240313988 in words is "two hundred forty million, three hundred thirteen thousand, nine hundred eighty-eight".