481603378 has 4 divisors (see below), whose sum is σ = 722405070. Its totient is φ = 240801688.

The previous prime is 481603349. The next prime is 481603379. The reversal of 481603378 is 873306184.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 398920729 + 82682649 = 19973^2 + 9093^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 481603378.

It is not an unprimeable number, because it can be changed into a prime (481603379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120400843 + ... + 120400846.

Almost surely, 2^481603378 is an apocalyptic number.

481603378 is a deficient number, since it is larger than the sum of its proper divisors (240801692).

481603378 is a wasteful number, since it uses less digits than its factorization.

481603378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240801691.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 481603378 is about 21945.4637226011. The cubic root of 481603378 is about 783.8443666236.

The spelling of 481603378 in words is "four hundred eighty-one million, six hundred three thousand, three hundred seventy-eight".