2440440073 has 4 divisors (see below), whose sum is σ = 2464602948. Its totient is φ = 2416277200.

The previous prime is 2440440053. The next prime is 2440440077. The reversal of 2440440073 is 3700440442.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1503345529 + 937094544 = 38773^2 + 30612^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2440440073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2440440077) 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, 12081286 + ... + 12081487.

It is an arithmetic number, because the mean of its divisors is an integer number (616150737).

Almost surely, 2^2440440073 is an apocalyptic number.

It is an amenable number.

2440440073 is a deficient number, since it is larger than the sum of its proper divisors (24162875).

2440440073 is a wasteful number, since it uses less digits than its factorization.

2440440073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24162874.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 2440440073 is about 49400.8104488175. The cubic root of 2440440073 is about 1346.3440309321.

The spelling of 2440440073 in words is "two billion, four hundred forty million, four hundred forty thousand, seventy-three".