478939488 has 48 divisors (see below), whose sum is σ = 1311883776. Its totient is φ = 152704640.

The previous prime is 478939481. The next prime is 478939493. The reversal of 478939488 is 884939874.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478939481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106248 + ... + 110663.

It is an arithmetic number, because the mean of its divisors is an integer number (27330912).

Almost surely, 2^478939488 is an apocalyptic number.

478939488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

478939488 is an abundant number, since it is smaller than the sum of its proper divisors (832944288).

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

478939488 is a wasteful number, since it uses less digits than its factorization.

478939488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216947 (or 216939 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 60.

The square root of 478939488 is about 21884.6861526502. The cubic root of 478939488 is about 782.3964691357.

The spelling of 478939488 in words is "four hundred seventy-eight million, nine hundred thirty-nine thousand, four hundred eighty-eight".