2240020463 has 4 divisors (see below), whose sum is σ = 2244474288. Its totient is φ = 2235566640.

The previous prime is 2240020459. The next prime is 2240020469. The reversal of 2240020463 is 3640200422.

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 2240020463 - 2² = 2240020459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240020469) 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, 2226158 + ... + 2227163.

It is an arithmetic number, because the mean of its divisors is an integer number (561118572).

Almost surely, 2^2240020463 is an apocalyptic number.

2240020463 is a deficient number, since it is larger than the sum of its proper divisors (4453825).

2240020463 is an equidigital number, since it uses as much as digits as its factorization.

2240020463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4453824.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2240020463 is about 47328.8544441971. The cubic root of 2240020463 is about 1308.4305083389.

Adding to 2240020463 its reverse (3640200422), we get a palindrome (5880220885).

The spelling of 2240020463 in words is "two billion, two hundred forty million, twenty thousand, four hundred sixty-three".