4478780522 has 8 divisors (see below), whose sum is σ = 6747004836. Its totient is φ = 2229778912.

The previous prime is 4478780519. The next prime is 4478780549. The reversal of 4478780522 is 2250878744.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4071588481 + 407192041 = 63809^2 + 20179^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4805093 + ... + 4806024.

Almost surely, 2^4478780522 is an apocalyptic number.

4478780522 is a deficient number, since it is larger than the sum of its proper divisors (2268224314).

4478780522 is a wasteful number, since it uses less digits than its factorization.

4478780522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9611352.

The product of its (nonzero) digits is 1003520, while the sum is 47.

The square root of 4478780522 is about 66923.6917840013. The cubic root of 4478780522 is about 1648.3645284698.

The spelling of 4478780522 in words is "four billion, four hundred seventy-eight million, seven hundred eighty thousand, five hundred twenty-two".