478578244 has 6 divisors (see below), whose sum is σ = 837511934. Its totient is φ = 239289120.

The previous prime is 478578241. The next prime is 478578283. The reversal of 478578244 is 442875874.

It can be written as a sum of positive squares in only one way, i.e., 476985600 + 1592644 = 21840^2 + 1262^2 .

It is not an unprimeable number, because it can be changed into a prime (478578241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59822277 + ... + 59822284.

Almost surely, 2^478578244 is an apocalyptic number.

It is an amenable number.

478578244 is a deficient number, since it is larger than the sum of its proper divisors (358933690).

478578244 is a wasteful number, since it uses less digits than its factorization.

478578244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119644565 (or 119644563 counting only the distinct ones).

The product of its digits is 2007040, while the sum is 49.

The square root of 478578244 is about 21876.4312446066. The cubic root of 478578244 is about 782.1997100272.

The spelling of 478578244 in words is "four hundred seventy-eight million, five hundred seventy-eight thousand, two hundred forty-four".