478351458 has 72 divisors (see below), whose sum is σ = 1139521968. Its totient is φ = 144926496.

The previous prime is 478351451. The next prime is 478351463. The reversal of 478351458 is 854153874.

478351458 is a `hidden beast` number, since 4 + 7 + 83 + 514 + 58 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (478351451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 202641 + ... + 204987.

It is an arithmetic number, because the mean of its divisors is an integer number (15826694).

Almost surely, 2^478351458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478351458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569760984).

478351458 is an abundant number, since it is smaller than the sum of its proper divisors (661170510).

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

478351458 is a wasteful number, since it uses less digits than its factorization.

478351458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448 (or 2432 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 478351458 is about 21871.2472895352. The cubic root of 478351458 is about 782.0761356876.

The spelling of 478351458 in words is "four hundred seventy-eight million, three hundred fifty-one thousand, four hundred fifty-eight".