478127631065448 has 512 divisors, whose sum is σ = 1530460321689600. Its totient is φ = 121066870579200.

The previous prime is 478127631065437. The next prime is 478127631065473. The reversal of 478127631065448 is 844560136721874.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15649106940 + ... + 15649137492.

It is an arithmetic number, because the mean of its divisors is an integer number (2989180315800).

Almost surely, 2^{478127631065448} 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 478127631065448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (765230160844800).

478127631065448 is an abundant number, since it is smaller than the sum of its proper divisors (1052332690624152).

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

478127631065448 is a wasteful number, since it uses less digits than its factorization.

478127631065448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31993 (or 31989 counting only the distinct ones).

The product of its (nonzero) digits is 216760320, while the sum is 66.

The spelling of 478127631065448 in words is "four hundred seventy-eight trillion, one hundred twenty-seven billion, six hundred thirty-one million, sixty-five thousand, four hundred forty-eight".