478222175952 has 120 divisors (see below), whose sum is σ = 1409935800000. Its totient is φ = 150895540224.

The previous prime is 478222175909. The next prime is 478222175953. The reversal of 478222175952 is 259571222874.

It is a happy number.

478222175952 is a `hidden beast` number, since 4 + 7 + 8 + 22 + 21 + 7 + 595 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478222175953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3347293 + ... + 3487235.

It is an arithmetic number, because the mean of its divisors is an integer number (11749465000).

Almost surely, 2^478222175952 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 478222175952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (704967900000).

478222175952 is an abundant number, since it is smaller than the sum of its proper divisors (931713624048).

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

478222175952 is a wasteful number, since it uses less digits than its factorization.

478222175952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141225 (or 141216 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 54.

The spelling of 478222175952 in words is "four hundred seventy-eight billion, two hundred twenty-two million, one hundred seventy-five thousand, nine hundred fifty-two".