478024240 has 40 divisors (see below), whose sum is σ = 1119914928. Its totient is φ = 189745920.

The previous prime is 478024219. The next prime is 478024259. The reversal of 478024240 is 42420874.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 12327 + ... + 33286.

Almost surely, 2^478024240 is an apocalyptic number.

478024240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

478024240 is an abundant number, since it is smaller than the sum of its proper divisors (641890688).

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

478024240 is a wasteful number, since it uses less digits than its factorization.

478024240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45757 (or 45751 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 478024240 is about 21863.7654579443. The cubic root of 478024240 is about 781.8977676984.

The spelling of 478024240 in words is "four hundred seventy-eight million, twenty-four thousand, two hundred forty".