478449636326 has 8 divisors (see below), whose sum is σ = 717737315904. Its totient is φ = 239203864360.

The previous prime is 478449636319. The next prime is 478449636331. The reversal of 478449636326 is 623636944874.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10448345 + ... + 10494036.

It is an arithmetic number, because the mean of its divisors is an integer number (89717164488).

Almost surely, 2^478449636326 is an apocalyptic number.

478449636326 is a deficient number, since it is larger than the sum of its proper divisors (239287679578).

478449636326 is a wasteful number, since it uses less digits than its factorization.

478449636326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20953806.

The product of its digits is 125411328, while the sum is 62.

The spelling of 478449636326 in words is "four hundred seventy-eight billion, four hundred forty-nine million, six hundred thirty-six thousand, three hundred twenty-six".