478054380 has 96 divisors (see below), whose sum is σ = 1372250880. Its totient is φ = 124312320.

The previous prime is 478054361. The next prime is 478054391. The reversal of 478054380 is 83450874.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 437635 + ... + 438725.

It is an arithmetic number, because the mean of its divisors is an integer number (14294280).

Almost surely, 2^478054380 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 478054380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686125440).

478054380 is an abundant number, since it is smaller than the sum of its proper divisors (894196500).

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

478054380 is a wasteful number, since it uses less digits than its factorization.

478054380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279 (or 1277 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 478054380 is about 21864.4547153594. The cubic root of 478054380 is about 781.9142005495.

The spelling of 478054380 in words is "four hundred seventy-eight million, fifty-four thousand, three hundred eighty".