240985473 has 4 divisors (see below), whose sum is σ = 321313968. Its totient is φ = 160656980.

The previous prime is 240985463. The next prime is 240985499. The reversal of 240985473 is 374589042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 240985473 - 2⁴ = 240985457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240985463) 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 in 3 ways as a sum of consecutive naturals, for example, 40164243 + ... + 40164248.

It is an arithmetic number, because the mean of its divisors is an integer number (80328492).

Almost surely, 2^240985473 is an apocalyptic number.

It is an amenable number.

240985473 is a deficient number, since it is larger than the sum of its proper divisors (80328495).

240985473 is an equidigital number, since it uses as much as digits as its factorization.

240985473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80328494.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 240985473 is about 15523.7068060435. The cubic root of 240985473 is about 622.2959212319.

The spelling of 240985473 in words is "two hundred forty million, nine hundred eighty-five thousand, four hundred seventy-three".