478240744 has 32 divisors (see below), whose sum is σ = 905299200. Its totient is φ = 236839680.

The previous prime is 478240733. The next prime is 478240801. The reversal of 478240744 is 447042874.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 478240697 and 478240706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482089 + ... + 483079.

It is an arithmetic number, because the mean of its divisors is an integer number (28290600).

Almost surely, 2^478240744 is an apocalyptic number.

It is an amenable number.

478240744 is a deficient number, since it is larger than the sum of its proper divisors (427058456).

478240744 is a wasteful number, since it uses less digits than its factorization.

478240744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513 (or 1509 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 40.

The square root of 478240744 is about 21868.7161031461. The cubic root of 478240744 is about 782.0157941006.

The spelling of 478240744 in words is "four hundred seventy-eight million, two hundred forty thousand, seven hundred forty-four".