478360490 has 8 divisors (see below), whose sum is σ = 861048900. Its totient is φ = 191344192.

The previous prime is 478360483. The next prime is 478360499. The reversal of 478360490 is 94063874.

It can be written as a sum of positive squares in 2 ways, for example, as 393665281 + 84695209 = 19841^2 + 9203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (478360499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23918015 + ... + 23918034.

Almost surely, 2^478360490 is an apocalyptic number.

478360490 is a deficient number, since it is larger than the sum of its proper divisors (382688410).

478360490 is a wasteful number, since it uses less digits than its factorization.

478360490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47836056.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 478360490 is about 21871.4537696972. The cubic root of 478360490 is about 782.0810579172.

The spelling of 478360490 in words is "four hundred seventy-eight million, three hundred sixty thousand, four hundred ninety".