478720252406 has 8 divisors (see below), whose sum is σ = 783360413064. Its totient is φ = 217600114720.

The previous prime is 478720252403. The next prime is 478720252411. The reversal of 478720252406 is 604252027874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478720252403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10880005715 + ... + 10880005758.

It is an arithmetic number, because the mean of its divisors is an integer number (97920051633).

Almost surely, 2^478720252406 is an apocalyptic number.

478720252406 is a deficient number, since it is larger than the sum of its proper divisors (304640160658).

478720252406 is a wasteful number, since it uses less digits than its factorization.

478720252406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21760011486.

The product of its (nonzero) digits is 1505280, while the sum is 47.

The spelling of 478720252406 in words is "four hundred seventy-eight billion, seven hundred twenty million, two hundred fifty-two thousand, four hundred six".