478022846220 has 120 divisors (see below), whose sum is σ = 1500371422704. Its totient is φ = 127405090944.

The previous prime is 478022846219. The next prime is 478022846243. The reversal of 478022846220 is 22648220874.

478022846220 is a `hidden beast` number, since 478 + 0 + 22 + 84 + 62 + 20 = 666.

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

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 3011974 + ... + 3166706.

Almost surely, 2^478022846220 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 478022846220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (750185711352).

478022846220 is an abundant number, since it is smaller than the sum of its proper divisors (1022348576484).

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

478022846220 is a wasteful number, since it uses less digits than its factorization.

478022846220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156661 (or 156650 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The spelling of 478022846220 in words is "four hundred seventy-eight billion, twenty-two million, eight hundred forty-six thousand, two hundred twenty".