478078340 has 48 divisors (see below), whose sum is σ = 1051202880. Its totient is φ = 182394240.

The previous prime is 478078333. The next prime is 478078397. The reversal of 478078340 is 43870874.

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, 43175 + ... + 53105.

It is an arithmetic number, because the mean of its divisors is an integer number (21900060).

Almost surely, 2^478078340 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 478078340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525601440).

478078340 is an abundant number, since it is smaller than the sum of its proper divisors (573124540).

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

478078340 is a wasteful number, since it uses less digits than its factorization.

478078340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10052 (or 10050 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 478078340 is about 21865.0026297735. The cubic root of 478078340 is about 781.9272634645.

The spelling of 478078340 in words is "four hundred seventy-eight million, seventy-eight thousand, three hundred forty".