478940757448920 has 256 divisors, whose sum is σ = 1548786814848000. Its totient is φ = 117783462168576.

The previous prime is 478940757448873. The next prime is 478940757448997. The reversal of 478940757448920 is 29844757049874.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8297771821 + ... + 8297829539.

It is an arithmetic number, because the mean of its divisors is an integer number (6049948495500).

Almost surely, 2^{478940757448920} is an apocalyptic number.

478940757448920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478940757448920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (774393407424000).

478940757448920 is an abundant number, since it is smaller than the sum of its proper divisors (1069846057399080).

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

478940757448920 is a wasteful number, since it uses less digits than its factorization.

478940757448920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62602 (or 62598 counting only the distinct ones).

The product of its (nonzero) digits is 4551966720, while the sum is 78.

The spelling of 478940757448920 in words is "four hundred seventy-eight trillion, nine hundred forty billion, seven hundred fifty-seven million, four hundred forty-eight thousand, nine hundred twenty".