478538580 has 96 divisors (see below), whose sum is σ = 1463470848. Its totient is φ = 116121600.

The previous prime is 478538569. The next prime is 478538591. The reversal of 478538580 is 85835874.

It is an interprime number because it is at equal distance from previous prime (478538569) and next prime (478538591).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51060 + ... + 59700.

It is an arithmetic number, because the mean of its divisors is an integer number (15244488).

Almost surely, 2^478538580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478538580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731735424).

478538580 is an abundant number, since it is smaller than the sum of its proper divisors (984932268).

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

478538580 is a wasteful number, since it uses less digits than its factorization.

478538580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8737 (or 8735 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The square root of 478538580 is about 21875.5246794220. The cubic root of 478538580 is about 782.1781001672.

It can be divided in two parts, 4785 and 38580, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 478538580 in words is "four hundred seventy-eight million, five hundred thirty-eight thousand, five hundred eighty".