2402440003 has 4 divisors (see below), whose sum is σ = 2423700648. Its totient is φ = 2381179360.

The previous prime is 2402439979. The next prime is 2402440013. The reversal of 2402440003 is 3000442042.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2402440003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2402440013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10630153 + ... + 10630378.

It is an arithmetic number, because the mean of its divisors is an integer number (605925162).

Almost surely, 2^2402440003 is an apocalyptic number.

2402440003 is a deficient number, since it is larger than the sum of its proper divisors (21260645).

2402440003 is a wasteful number, since it uses less digits than its factorization.

2402440003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21260644.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2402440003 is about 49014.6917056509. The cubic root of 2402440003 is about 1339.3194738229.

Adding to 2402440003 its reverse (3000442042), we get a palindrome (5402882045).

The spelling of 2402440003 in words is "two billion, four hundred two million, four hundred forty thousand, three".