2449047578 has 8 divisors (see below), whose sum is σ = 3684159072. Its totient is φ = 1220994556.

The previous prime is 2449047577. The next prime is 2449047701. The reversal of 2449047578 is 8757409442.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2449047571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1763750 + ... + 1765137.

It is an arithmetic number, because the mean of its divisors is an integer number (460519884).

Almost surely, 2^2449047578 is an apocalyptic number.

2449047578 is a deficient number, since it is larger than the sum of its proper divisors (1235111494).

2449047578 is a wasteful number, since it uses less digits than its factorization.

2449047578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529236.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The square root of 2449047578 is about 49487.8528327912. The cubic root of 2449047578 is about 1347.9250388304.

The spelling of 2449047578 in words is "two billion, four hundred forty-nine million, forty-seven thousand, five hundred seventy-eight".