240354644 has 6 divisors (see below), whose sum is σ = 420620634. Its totient is φ = 120177320.

The previous prime is 240354643. The next prime is 240354659. The reversal of 240354644 is 446453042.

It can be written as a sum of positive squares in only one way, i.e., 138344644 + 102010000 = 11762^2 + 10100^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 240354644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240354641) 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, 30044327 + ... + 30044334.

It is an arithmetic number, because the mean of its divisors is an integer number (70103439).

Almost surely, 2^240354644 is an apocalyptic number.

It is an amenable number.

240354644 is a deficient number, since it is larger than the sum of its proper divisors (180265990).

240354644 is a wasteful number, since it uses less digits than its factorization.

240354644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60088665 (or 60088663 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

The square root of 240354644 is about 15503.3752454103. The cubic root of 240354644 is about 621.7524509204.

The spelling of 240354644 in words is "two hundred forty million, three hundred fifty-four thousand, six hundred forty-four".