240142444 has 24 divisors (see below), whose sum is σ = 452661440. Its totient is φ = 111104784.

The previous prime is 240142439. The next prime is 240142451. The reversal of 240142444 is 444241042.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 33474 + ... + 40009.

Almost surely, 2^240142444 is an apocalyptic number.

It is an amenable number.

240142444 is a deficient number, since it is larger than the sum of its proper divisors (212518996).

240142444 is a wasteful number, since it uses less digits than its factorization.

240142444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73549 (or 73547 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 240142444 is about 15496.5300632109. The cubic root of 240142444 is about 621.5694231605.

Adding to 240142444 its reverse (444241042), we get a palindrome (684383486).

The spelling of 240142444 in words is "two hundred forty million, one hundred forty-two thousand, four hundred forty-four".