478700444 has 6 divisors (see below), whose sum is σ = 837725784. Its totient is φ = 239350220.

The previous prime is 478700441. The next prime is 478700471. The reversal of 478700444 is 444007874.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 478700398 and 478700407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478700441) 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 as a sum of consecutive naturals, namely, 59837552 + ... + 59837559.

It is an arithmetic number, because the mean of its divisors is an integer number (139620964).

Almost surely, 2^478700444 is an apocalyptic number.

It is an amenable number.

478700444 is a deficient number, since it is larger than the sum of its proper divisors (359025340).

478700444 is a wasteful number, since it uses less digits than its factorization.

478700444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119675115 (or 119675113 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 38.

The square root of 478700444 is about 21879.2240264594. The cubic root of 478700444 is about 782.2662798942.

The spelling of 478700444 in words is "four hundred seventy-eight million, seven hundred thousand, four hundred forty-four".