478695254064 has 40 divisors (see below), whose sum is σ = 1301715167040. Its totient is φ = 151166922048.

The previous prime is 478695254027. The next prime is 478695254099. The reversal of 478695254064 is 460452596874.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 478695253989 and 478695254007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262441662 + ... + 262443485.

It is an arithmetic number, because the mean of its divisors is an integer number (32542879176).

Almost surely, 2^478695254064 is an apocalyptic number.

It is an amenable number.

478695254064 is an abundant number, since it is smaller than the sum of its proper divisors (823019912976).

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

478695254064 is a wasteful number, since it uses less digits than its factorization.

478695254064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524885177 (or 524885171 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 60.

The spelling of 478695254064 in words is "four hundred seventy-eight billion, six hundred ninety-five million, two hundred fifty-four thousand, sixty-four".