478982451 has 16 divisors (see below), whose sum is σ = 650073600. Its totient is φ = 313648608.

The previous prime is 478982407. The next prime is 478982489. The reversal of 478982451 is 154289874.

It is a happy number.

It is not a de Polignac number, because 478982451 - 2¹⁰ = 478981427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 478982451.

It is not an unprimeable number, because it can be changed into a prime (478989451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41560 + ... + 51818.

It is an arithmetic number, because the mean of its divisors is an integer number (40629600).

Almost surely, 2^478982451 is an apocalyptic number.

478982451 is a deficient number, since it is larger than the sum of its proper divisors (171091149).

478982451 is a wasteful number, since it uses less digits than its factorization.

478982451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10538.

The product of its digits is 645120, while the sum is 48.

The square root of 478982451 is about 21885.6677074290. The cubic root of 478982451 is about 782.4198632493.

The spelling of 478982451 in words is "four hundred seventy-eight million, nine hundred eighty-two thousand, four hundred fifty-one".