2544642226 has 40 divisors (see below), whose sum is σ = 4481555184. Its totient is φ = 1083537000.

The previous prime is 2544642209. The next prime is 2544642227. The reversal of 2544642226 is 6222464452.

It is not an unprimeable number, because it can be changed into a prime (2544642227) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 781101 + ... + 784351.

Almost surely, 2^2544642226 is an apocalyptic number.

2544642226 is a deficient number, since it is larger than the sum of its proper divisors (1936912958).

2544642226 is an equidigital number, since it uses as much as digits as its factorization.

2544642226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444 (or 3423 counting only the distinct ones).

The product of its digits is 184320, while the sum is 37.

The square root of 2544642226 is about 50444.4469292706. The cubic root of 2544642226 is about 1365.2397036852.

The spelling of 2544642226 in words is "two billion, five hundred forty-four million, six hundred forty-two thousand, two hundred twenty-six".