478286740 has 12 divisors (see below), whose sum is σ = 1004402196. Its totient is φ = 191314688.

The previous prime is 478286723. The next prime is 478286741. The reversal of 478286740 is 47682874.

It can be written as a sum of positive squares in 2 ways, for example, as 52359696 + 425927044 = 7236^2 + 20638^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478286741) 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 3 ways as a sum of consecutive naturals, for example, 11957149 + ... + 11957188.

It is an arithmetic number, because the mean of its divisors is an integer number (83700183).

Almost surely, 2^478286740 is an apocalyptic number.

It is an amenable number.

478286740 is an abundant number, since it is smaller than the sum of its proper divisors (526115456).

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

478286740 is a wasteful number, since it uses less digits than its factorization.

478286740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23914346 (or 23914344 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 46.

The square root of 478286740 is about 21869.7677171021. The cubic root of 478286740 is about 782.0408640721.

The spelling of 478286740 in words is "four hundred seventy-eight million, two hundred eighty-six thousand, seven hundred forty".