478272419 has 8 divisors (see below), whose sum is σ = 500262432. Its totient is φ = 456382080.

The previous prime is 478272367. The next prime is 478272461. The reversal of 478272419 is 914272874.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478272419 is a prime.

It is a super-2 number, since 2×478272419² = 457489013552223122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 478272419.

It is not an unprimeable number, because it can be changed into a prime (478272479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15014 + ... + 34379.

It is an arithmetic number, because the mean of its divisors is an integer number (62532804).

Almost surely, 2^478272419 is an apocalyptic number.

478272419 is a deficient number, since it is larger than the sum of its proper divisors (21990013).

478272419 is a wasteful number, since it uses less digits than its factorization.

478272419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49837.

The product of its digits is 225792, while the sum is 44.

The square root of 478272419 is about 21869.4402991938. The cubic root of 478272419 is about 782.0330586295.

The spelling of 478272419 in words is "four hundred seventy-eight million, two hundred seventy-two thousand, four hundred nineteen".