2544220556 has 6 divisors (see below), whose sum is σ = 4452385980. Its totient is φ = 1272110276.

The previous prime is 2544220543. The next prime is 2544220573. The reversal of 2544220556 is 6550224452.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 318027566 + ... + 318027573.

It is an arithmetic number, because the mean of its divisors is an integer number (742064330).

Almost surely, 2^2544220556 is an apocalyptic number.

It is an amenable number.

2544220556 is a deficient number, since it is larger than the sum of its proper divisors (1908165424).

2544220556 is a wasteful number, since it uses less digits than its factorization.

2544220556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636055143 (or 636055141 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The square root of 2544220556 is about 50440.2672078569. The cubic root of 2544220556 is about 1365.1642887052.

The spelling of 2544220556 in words is "two billion, five hundred forty-four million, two hundred twenty thousand, five hundred fifty-six".