478654655028 has 48 divisors (see below), whose sum is σ = 1260407252160. Its totient is φ = 140045248000.

The previous prime is 478654655023. The next prime is 478654655029. The reversal of 478654655028 is 820556456874.

It is a super-2 number, since 2×478654655028² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478654655023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62516373 + ... + 62524028.

It is an arithmetic number, because the mean of its divisors is an integer number (26258484420).

Almost surely, 2^478654655028 is an apocalyptic number.

It is an amenable number.

478654655028 is an abundant number, since it is smaller than the sum of its proper divisors (781752597132).

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

478654655028 is a wasteful number, since it uses less digits than its factorization.

478654655028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125040448 (or 125040446 counting only the distinct ones).

The product of its (nonzero) digits is 64512000, while the sum is 60.

The spelling of 478654655028 in words is "four hundred seventy-eight billion, six hundred fifty-four million, six hundred fifty-five thousand, twenty-eight".