478624455 has 24 divisors (see below), whose sum is σ = 830141520. Its totient is φ = 255104640.

The previous prime is 478624441. The next prime is 478624463. The reversal of 478624455 is 554426874.

It is not a de Polignac number, because 478624455 - 2⁸ = 478624199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 478624455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111336 + ... + 115554.

It is an arithmetic number, because the mean of its divisors is an integer number (34589230).

Almost surely, 2^478624455 is an apocalyptic number.

478624455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

478624455 is a deficient number, since it is larger than the sum of its proper divisors (351517065).

478624455 is a wasteful number, since it uses less digits than its factorization.

478624455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6751 (or 6748 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 45.

The square root of 478624455 is about 21877.4874014362. The cubic root of 478624455 is about 782.2248853375.

It can be divided in two parts, 4786 and 24455, that added together give a square (29241 = 171²).

The spelling of 478624455 in words is "four hundred seventy-eight million, six hundred twenty-four thousand, four hundred fifty-five".