478540100 has 18 divisors (see below), whose sum is σ = 1038432234. Its totient is φ = 191416000.

The previous prime is 478540067. The next prime is 478540103. The reversal of 478540100 is 1045874.

It can be written as a sum of positive squares in 3 ways, for example, as 98446084 + 380094016 = 9922^2 + 19496^2 .

It is not an unprimeable number, because it can be changed into a prime (478540103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2392601 + ... + 2392800.

Almost surely, 2^478540100 is an apocalyptic number.

It is an amenable number.

478540100 is an abundant number, since it is smaller than the sum of its proper divisors (559892134).

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

478540100 is a wasteful number, since it uses less digits than its factorization.

478540100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785415 (or 4785408 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 478540100 is about 21875.5594214182. The cubic root of 478540100 is about 782.1789283202.

Adding to 478540100 its reverse (1045874), we get a palindrome (479585974).

The spelling of 478540100 in words is "four hundred seventy-eight million, five hundred forty thousand, one hundred".