478449048 has 128 divisors (see below), whose sum is σ = 1508544000. Its totient is φ = 122833920.

The previous prime is 478449029. The next prime is 478449107. The reversal of 478449048 is 840944874.

It is a junction number, because it is equal to n+sod(n) for n = 478448988 and 478449006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163018 + ... + 165926.

It is an arithmetic number, because the mean of its divisors is an integer number (11785500).

Almost surely, 2^478449048 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 478449048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (754272000).

478449048 is an abundant number, since it is smaller than the sum of its proper divisors (1030094952).

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

478449048 is a wasteful number, since it uses less digits than its factorization.

478449048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025 (or 3021 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The square root of 478449048 is about 21873.4781870648. The cubic root of 478449048 is about 782.1293166832.

The spelling of 478449048 in words is "four hundred seventy-eight million, four hundred forty-nine thousand, forty-eight".