478726580 has 12 divisors (see below), whose sum is σ = 1005325860. Its totient is φ = 191490624.

The previous prime is 478726571. The next prime is 478726601. The reversal of 478726580 is 85627874.

It can be written as a sum of positive squares in 2 ways, for example, as 242674084 + 236052496 = 15578^2 + 15364^2 .

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 3 ways as a sum of consecutive naturals, for example, 11968145 + ... + 11968184.

It is an arithmetic number, because the mean of its divisors is an integer number (83777155).

Almost surely, 2^478726580 is an apocalyptic number.

It is an amenable number.

478726580 is an abundant number, since it is smaller than the sum of its proper divisors (526599280).

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

478726580 is a wasteful number, since it uses less digits than its factorization.

478726580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23936338 (or 23936336 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The square root of 478726580 is about 21879.8212972593. The cubic root of 478726580 is about 782.2805163126.

The spelling of 478726580 in words is "four hundred seventy-eight million, seven hundred twenty-six thousand, five hundred eighty".