2402640563 has 4 divisors (see below), whose sum is σ = 2403842088. Its totient is φ = 2401439040.

The previous prime is 2402640553. The next prime is 2402640587. The reversal of 2402640563 is 3650462042.

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

It is a cyclic number.

It is not a de Polignac number, because 2402640563 - 2¹⁰ = 2402639539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2402640503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597758 + ... + 601763.

It is an arithmetic number, because the mean of its divisors is an integer number (600960522).

Almost surely, 2^2402640563 is an apocalyptic number.

2402640563 is a deficient number, since it is larger than the sum of its proper divisors (1201525).

2402640563 is a wasteful number, since it uses less digits than its factorization.

2402640563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201524.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 2402640563 is about 49016.7375801368. The cubic root of 2402640563 is about 1339.3567423831.

The spelling of 2402640563 in words is "two billion, four hundred two million, six hundred forty thousand, five hundred sixty-three".