478314734472 has 128 divisors (see below), whose sum is σ = 1371492777600. Its totient is φ = 154341137664.

The previous prime is 478314734461. The next prime is 478314734473. The reversal of 478314734472 is 274437413874.

478314734472 is a `hidden beast` number, since 4 + 78 + 31 + 4 + 73 + 4 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (478314734473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1422523 + ... + 1726325.

It is an arithmetic number, because the mean of its divisors is an integer number (10714787325).

Almost surely, 2^478314734472 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 478314734472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (685746388800).

478314734472 is an abundant number, since it is smaller than the sum of its proper divisors (893178043128).

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

478314734472 is a wasteful number, since it uses less digits than its factorization.

478314734472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304052 (or 304042 counting only the distinct ones).

The product of its digits is 12644352, while the sum is 54.

The spelling of 478314734472 in words is "four hundred seventy-eight billion, three hundred fourteen million, seven hundred thirty-four thousand, four hundred seventy-two".