478644354 has 24 divisors (see below), whose sum is σ = 1037833212. Its totient is φ = 159429600.

The previous prime is 478644337. The next prime is 478644359. The reversal of 478644354 is 453446874.

It can be written as a sum of positive squares in 2 ways, for example, as 478428129 + 216225 = 21873^2 + 465^2 .

It is not an unprimeable number, because it can be changed into a prime (478644359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17004 + ... + 35304.

Almost surely, 2^478644354 is an apocalyptic number.

478644354 is an abundant number, since it is smaller than the sum of its proper divisors (559188858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478644354 is a wasteful number, since it uses less digits than its factorization.

478644354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19762 (or 19759 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 45.

The square root of 478644354 is about 21877.9421792819. The cubic root of 478644354 is about 782.2357256230.

The spelling of 478644354 in words is "four hundred seventy-eight million, six hundred forty-four thousand, three hundred fifty-four".