478550016 has 144 divisors (see below), whose sum is σ = 1580014800. Its totient is φ = 136691712.

The previous prime is 478549997. The next prime is 478550021. The reversal of 478550016 is 610055874.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127170 + ... + 130878.

It is an arithmetic number, because the mean of its divisors is an integer number (10972325).

Almost surely, 2^478550016 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 478550016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (790007400).

478550016 is an abundant number, since it is smaller than the sum of its proper divisors (1101464784).

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

478550016 is a wasteful number, since it uses less digits than its factorization.

478550016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744 (or 3721 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 478550016 is about 21875.7860658766. The cubic root of 478550016 is about 782.1843308857.

The spelling of 478550016 in words is "four hundred seventy-eight million, five hundred fifty thousand, sixteen".