478028480852 has 24 divisors (see below), whose sum is σ = 901155171336. Its totient is φ = 220565996928.

The previous prime is 478028480849. The next prime is 478028480947. The reversal of 478028480852 is 258084820874.

It can be written as a sum of positive squares in 4 ways, for example, as 123591621136 + 354436859716 = 351556^2 + 595346^2 .

It is a super-2 number, since 2×478028480852² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1117283 + ... + 1484714.

It is an arithmetic number, because the mean of its divisors is an integer number (37548132139).

Almost surely, 2^478028480852 is an apocalyptic number.

It is an amenable number.

478028480852 is a deficient number, since it is larger than the sum of its proper divisors (423126690484).

478028480852 is a wasteful number, since it uses less digits than its factorization.

478028480852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605547 (or 2605545 counting only the distinct ones).

The product of its (nonzero) digits is 9175040, while the sum is 56.

The spelling of 478028480852 in words is "four hundred seventy-eight billion, twenty-eight million, four hundred eighty thousand, eight hundred fifty-two".