478840241 has 16 divisors (see below), whose sum is σ = 553817088. Its totient is φ = 409171200.

The previous prime is 478840211. The next prime is 478840253. The reversal of 478840241 is 142048874.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 478840241 - 2¹⁰ = 478839217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478840195 and 478840204.

It is not an unprimeable number, because it can be changed into a prime (478840211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225776 + ... + 227886.

It is an arithmetic number, because the mean of its divisors is an integer number (34613568).

Almost surely, 2^478840241 is an apocalyptic number.

It is an amenable number.

478840241 is a deficient number, since it is larger than the sum of its proper divisors (74976847).

478840241 is a wasteful number, since it uses less digits than its factorization.

478840241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352.

The product of its (nonzero) digits is 57344, while the sum is 38.

The square root of 478840241 is about 21882.4185363501. The cubic root of 478840241 is about 782.3424220389.

The spelling of 478840241 in words is "four hundred seventy-eight million, eight hundred forty thousand, two hundred forty-one".