478823602500 has 420 divisors, whose sum is σ = 1638319769856. Its totient is φ = 122124024000.

The previous prime is 478823602459. The next prime is 478823602577. The reversal of 478823602500 is 5206328874.

478823602500 is a `hidden beast` number, since 4 + 7 + 8 + 82 + 3 + 60 + 2 + 500 = 666.

It is a super-2 number, since 2×478823602500² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 139 ways as a sum of consecutive naturals, for example, 41911789 + ... + 41923211.

Almost surely, 2^478823602500 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 478823602500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (819159884928).

478823602500 is an abundant number, since it is smaller than the sum of its proper divisors (1159496167356).

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

478823602500 is a wasteful number, since it uses less digits than its factorization.

478823602500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11488 (or 11456 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 478823602500 in words is "four hundred seventy-eight billion, eight hundred twenty-three million, six hundred two thousand, five hundred".