478379181824 has 144 divisors (see below), whose sum is σ = 1047026736000. Its totient is φ = 217127780352.

The previous prime is 478379181823. The next prime is 478379181827. The reversal of 478379181824 is 428181973874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478379181823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195494969 + ... + 195497415.

It is an arithmetic number, because the mean of its divisors is an integer number (7271019000).

Almost surely, 2^478379181824 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 478379181824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523513368000).

478379181824 is an abundant number, since it is smaller than the sum of its proper divisors (568647554176).

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

478379181824 is a wasteful number, since it uses less digits than its factorization.

478379181824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058 (or 4044 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 62.

The spelling of 478379181824 in words is "four hundred seventy-eight billion, three hundred seventy-nine million, one hundred eighty-one thousand, eight hundred twenty-four".