478189960 has 16 divisors (see below), whose sum is σ = 1075927500. Its totient is φ = 191275968.

The previous prime is 478189949. The next prime is 478189981. The reversal of 478189960 is 69981874.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 473584644 + 4605316 = 21762^2 + 2146^2 .

It is a junction number, because it is equal to n+sod(n) for n = 478189898 and 478189907.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5977335 + ... + 5977414.

Almost surely, 2^478189960 is an apocalyptic number.

478189960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

478189960 is an abundant number, since it is smaller than the sum of its proper divisors (597737540).

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

478189960 is a wasteful number, since it uses less digits than its factorization.

478189960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11954760 (or 11954756 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 478189960 is about 21867.5549616321. The cubic root of 478189960 is about 781.9881125780.

The spelling of 478189960 in words is "four hundred seventy-eight million, one hundred eighty-nine thousand, nine hundred sixty".