478554500 has 24 divisors (see below), whose sum is σ = 1045164120. Its totient is φ = 191421600.

The previous prime is 478554457. The next prime is 478554509. The reversal of 478554500 is 5455874.

It can be written as a sum of positive squares in 4 ways, for example, as 11303044 + 467251456 = 3362^2 + 21616^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (478554509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478055 + ... + 479054.

It is an arithmetic number, because the mean of its divisors is an integer number (43548505).

Almost surely, 2^478554500 is an apocalyptic number.

It is an amenable number.

478554500 is an abundant number, since it is smaller than the sum of its proper divisors (566609620).

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

478554500 is a wasteful number, since it uses less digits than its factorization.

478554500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957128 (or 957116 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 478554500 is about 21875.8885533822. Note that the first 3 decimals coincide. The cubic root of 478554500 is about 782.1867738930.

The spelling of 478554500 in words is "four hundred seventy-eight million, five hundred fifty-four thousand, five hundred".