478081144 has 16 divisors (see below), whose sum is σ = 920629800. Its totient is φ = 232579872.

The previous prime is 478081141. The next prime is 478081199. The reversal of 478081144 is 441180874.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478081141) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 807274 + ... + 807865.

Almost surely, 2^478081144 is an apocalyptic number.

It is an amenable number.

478081144 is a deficient number, since it is larger than the sum of its proper divisors (442548656).

478081144 is a wasteful number, since it uses less digits than its factorization.

478081144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615182 (or 1615178 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 478081144 is about 21865.0667504126. The cubic root of 478081144 is about 781.9287921678.

The spelling of 478081144 in words is "four hundred seventy-eight million, eighty-one thousand, one hundred forty-four".