478440192 has 144 divisors (see below), whose sum is σ = 1328191200. Its totient is φ = 152764416.

The previous prime is 478440187. The next prime is 478440203. The reversal of 478440192 is 291044874.

It is a self number, because there is not a number n which added to its sum of digits gives 478440192.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3210934 + ... + 3211082.

It is an arithmetic number, because the mean of its divisors is an integer number (9223550).

Almost surely, 2^478440192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478440192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (664095600).

478440192 is an abundant number, since it is smaller than the sum of its proper divisors (849751008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478440192 is a wasteful number, since it uses less digits than its factorization.

478440192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 478440192 is about 21873.2757491876. The cubic root of 478440192 is about 782.1244909656.

The spelling of 478440192 in words is "four hundred seventy-eight million, four hundred forty thousand, one hundred ninety-two".