478485400 has 48 divisors (see below), whose sum is σ = 1177926840. Its totient is φ = 180134400.

The previous prime is 478485389. The next prime is 478485421. The reversal of 478485400 is 4584874.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 66966 + ... + 73765.

Almost surely, 2^478485400 is an apocalyptic number.

478485400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

478485400 is an abundant number, since it is smaller than the sum of its proper divisors (699441440).

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

478485400 is a wasteful number, since it uses less digits than its factorization.

478485400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140764 (or 140755 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 478485400 is about 21874.3091319475. The cubic root of 478485400 is about 782.1491246056.

The spelling of 478485400 in words is "four hundred seventy-eight million, four hundred eighty-five thousand, four hundred".